Choices:
A. tissues
B. pigment
C. seeds
D. Protein
E. bytes
F. calcium
G. blood
H. information

Answer: G

All tissues and fluids in our body contain minerals.

what in our body contains minerals? (A) tissues (B) pigment (C) seeds (D) Protein (E) bytes (F) calcium (G) blood (H) information


Choices:
A. solid
B. cells
C. blood
D. mucus
E. a hosta
F. weater
G. Type O
H. osculum

Answer: C

Liquids A fluid is any substance that flows, and liquids are examples of fluids.

What is a liquid connective tissue? (A) solid (B) cells (C) blood (D) mucus (E) a hosta (F) weater (G) Type O (H) osculum


Choices:
A. microscopic organisms
B. some prokaryotes
C. feedback mechanisms
D. chemical messengers
E. animals with backbone
F. aquatic organisms
G. a fluid connective tissue
H. prokaryotic cells

Answer: G

A fluid connective tissue carries oxygen to the brain

What transports oxygen to the brain? (A) microscopic organisms (B) some prokaryotes (C) feedback mechanisms (D) chemical messengers (E) animals with backbone (F) aquatic organisms (G) a fluid connective tissue (H) prokaryotic cells


Choices:
A. They are rare.
B. several
C. Pasteurization
D. melanin content
E. calibrated
F. percentages
G. polygenic
H. melanin amount

Answer: A

What is true of blood cancers? (A) They are rare. (B) several (C) Pasteurization (D) melanin content (E) calibrated (F) percentages (G) polygenic (H) melanin amount


A compass is used to travel on the surface of what?

Choices:
A. planes
B. water
C. stars
D. boats
E. marine
F. clouds
G. poles
H. sun

Answer: B

A compass is used to travel on the surface of the water.

Ocean waves travel on the surface of the water.

A compass is used to travel on the surface of what? (A) planes (B) water (C) stars (D) boats (E) marine (F) clouds (G) poles (H) sun


Choices:
A. cnidarians
B. lamphreys
C. ocean temperatures
D. magnets
E. smoke signals
F. spacecraft
G. laptops
H. calibrated

Answer: D

What are used to navigate oceans? (A) cnidarians (B) lamphreys (C) ocean temperatures (D) magnets (E) smoke signals (F) spacecraft (G) laptops (H) calibrated


Choices:
A. lamphreys
B. calibrated
C. navigation
D. eight
E. elevators
F. 100 meter dash
G. Pacific
H. the same

Answer: G

a compass is used to navigate the Pacific

Largest of the oceans on Earth is the Pacific Ocean .

what is a compass used to navigate? (A) lamphreys (B) calibrated (C) navigation (D) eight (E) elevators (F) 100 meter dash (G) Pacific (H) the same


oceans can be what even on moonless nights

Choices:
A. reflecting sunlight
B. very complex
C. photosynthesizing
D. moving plates
E. solid
F. damaging
G. free-swimming
H. navigated

Answer: H

oceans can be navigated even on moonless nights

On moonless nights they navigate solely with the geomagnetic compass.

oceans can be what even on moonless nights (A) reflecting sunlight (B) very complex (C) photosynthesizing (D) moving plates (E) solid (F) damaging (G) free-swimming (H) navigated


Choices:
A. ecosystems
B. distance to the sun
C. their speed
D. water depth
E. Atlantic
F. Antarctica
G. barometric pressure
H. lamphreys

Answer: E

a compass is used to navigate the Atlantic

what is a compass used to navigate? (A) ecosystems (B) distance to the sun (C) their speed (D) water depth (E) Atlantic (F) Antarctica (G) barometric pressure (H) lamphreys


Navigating the oceans can be more difficult during

Choices:
A. lunar eclipses
B. a cold environment
C. Differences in speed
D. rapid changes occur
E. Plate tectonics
F. beach erosion
G. magnetic storms
H. Being over land

Answer: G

Navigation by compass is especially difficult during a magnetic storm.

Navigating the oceans can be more difficult during a magnetic storm

Navigating the oceans can be more difficult during  (A) lunar eclipses (B) a cold environment (C) Differences in speed (D) rapid changes occur (E) Plate tectonics (F) beach erosion (G) magnetic storms (H) Being over land


Choices:
A. Differences in speed
B. needle
C. well-rounded peaks
D. magnetic north
E. 295 degrees Kelvin
F. unicellular organisms
G. Mars
H. roses

Answer: D

Map navigators tend to use Grid North, or Magnetic north as as default.

A compass is used to find magnetic north.

What does a compass find? (A) Differences in speed (B) needle (C) well-rounded peaks (D) magnetic north (E) 295 degrees Kelvin (F) unicellular organisms (G) Mars (H) roses


Choices:
A. density
B. lamphreys
C. marine
D. outer space
E. their speed
F. Antarctica
G. non-magnetic planets
H. the Atlantic

Answer: H

what is a compass used to navigate? (A) density (B) lamphreys (C) marine (D) outer space (E) their speed (F) Antarctica (G) non-magnetic planets (H) the Atlantic


Choices:
A. spacecraft
B. magnets
C. navigation
D. altimeters
E. sun dials
F. calibrated
G. wind
H. boats

Answer: B

What can be used to navigate oceans? (A) spacecraft (B) magnets (C) navigation (D) altimeters (E) sun dials (F) calibrated (G) wind (H) boats


Choices:
A. Creating plants
B. safe operation
C. feedback mechanisms
D. Making tape
E. Navigating oceans
F. chemical messengers
G. Navigating thoughts
H. Communication

Answer: E

What are magnets used for? (A) Creating plants (B) safe operation (C) feedback mechanisms (D) Making tape (E) Navigating oceans (F) chemical messengers (G) Navigating thoughts (H) Communication


What can you use to navigate the Pacific?

Choices:
A. calibrated
B. spacecraft
C. Speed
D. thermometer
E. compass
F. lamphreys
G. waves
H. marine

Answer: E

You can navigate through the Pacific with a compass.

What can you use to navigate the Pacific? (A) calibrated (B) spacecraft (C) Speed (D) thermometer (E) compass (F) lamphreys (G) waves (H) marine


What do mariners use to travel the ocean?

Choices:
A. compass
B. lamphreys
C. sponges
D. trees
E. fluid
F. whales
G. icebergs
H. waves

Answer: A

Nautical charts are used by mariners and boaters to safely navigate on the ocean.

Mariners use the compass to travel the ocean

What do mariners use to travel the ocean? (A) compass (B) lamphreys (C) sponges (D) trees (E) fluid (F) whales (G) icebergs (H) waves


Choices:
A. fish
B. fluid connective tissue
C. feedback mechanisms
D. vertebrae or backbone
E. Microscopic vessels.
F. barrels
G. A backbone
H. direction in degrees

Answer: H

Direction is in degrees from north as measured by a compass.

direction in degrees is used to navigate oceans

What is used to navigate oceans? (A) fish (B) fluid connective tissue (C) feedback mechanisms (D) vertebrae or backbone (E) Microscopic vessels. (F) barrels (G) A backbone (H) direction in degrees


Choices:
A. navigating oceans
B. safe driving
C. capture prey
D. chemical messengers
E. Communication
F. safe operation
G. visibility
H. 70-75 degrees Fahrenheit

Answer: A

Magnetism is that thing that happens with magnets and compasses and the earth.

What is magnetism used for? (A) navigating oceans (B) safe driving (C) capture prey (D) chemical messengers (E) Communication (F) safe operation (G) visibility (H) 70-75 degrees Fahrenheit


Choices:
A. brakes
B. SI units
C. tiny hairs
D. lamphreys
E. compass
F. the cervix
G. cilia
H. feedback

Answer: E

Large ocean-going vessels use a gyrocompass as their steering compass.

what are used for steering? (A) brakes (B) SI units (C) tiny hairs (D) lamphreys (E) compass (F) the cervix (G) cilia (H) feedback


Choices:
A. eruptive products
B. weight of air
C. Being over land
D. condensation
E. percentages
F. magnetism
G. trees and flowers
H. Otoacoustic

Answer: D

And precipitation amounts depend on the rate at which moisture condenses.

the amount of precipitation depends on condensation

What does precipitation depend on? (A) eruptive products (B) weight of air (C) Being over land (D) condensation (E) percentages (F) magnetism (G) trees and flowers (H) Otoacoustic


Choices:
A. small capillaries
B. wind blowing during a storm
C. trees and flowers
D. rapid changes occur
E. on a plant possessing stoma
F. some anthozoans
G. rain falling in the yard
H. eruption from a volcano

Answer: G

What can increase moisture? (A) small capillaries (B) wind blowing during a storm (C) trees and flowers (D) rapid changes occur (E) on a plant possessing stoma (F) some anthozoans (G) rain falling in the yard (H) eruption from a volcano


Choices:
A. density
B. the sun
C. wind
D. rain
E. Honey
F. 17
G. droughts
H. Type O

Answer: D

what increases moisture? (A) density (B) the sun (C) wind (D) rain (E) Honey (F) 17 (G) droughts (H) Type O


Choices:
A. moisture
B. elephants
C. worms
D. fever
E. heat
F. Gravity
G. water vapor
H. earthquakes

Answer: A

Local precipitation increases sharply with altitude.

moisture increases sharply with altitude

What increases with altitude? (A) moisture (B) elephants (C) worms (D) fever (E) heat (F) Gravity (G) water vapor (H) earthquakes


Choices:
A. percentages
B. intensity
C. sun
D. snow
E. percents
F. moisture
G. aridness
H. velocity

Answer: F

What does rain increase? (A) percentages (B) intensity (C) sun (D) snow (E) percents (F) moisture (G) aridness (H) velocity


Choices:
A. winter
B. dust
C. 17
D. rain
E. wind
F. Honey
G. thunder
H. drought

Answer: D

What increases moisture? (A) winter (B) dust (C) 17 (D) rain (E) wind (F) Honey (G) thunder (H) drought


what increases conditions from dry to damp?

Choices:
A. precipitation
B. air pollution
C. thermal expansion
D. trees and flowers
E. air
F. fall
G. A hurricane
H. snow, ice, and rock

Answer: A

Moisture conditions range from damp to dry.

Precipitation increases conditions from dry to damp

what increases conditions from dry to damp? (A) precipitation (B) air pollution (C) thermal expansion (D) trees and flowers (E) air (F) fall (G) A hurricane (H) snow, ice, and rock


Choices:
A. deposits
B. clouds
C. fluid
D. trees
E. tornadoes
F. liquids
G. lamphreys
H. oxidizers

Answer: B

Moisture is a necessary ingredient for the production of clouds and precipitation.

what are needed for precipitation? (A) deposits (B) clouds (C) fluid (D) trees (E) tornadoes (F) liquids (G) lamphreys (H) oxidizers


Choices:
A. desertification
B. Type O
C. rain
D. dehydration
E. wind
F. drought
G. 17
H. Honey

Answer: C

What increases moisture? (A) desertification (B) Type O (C) rain (D) dehydration (E) wind (F) drought (G) 17 (H) Honey


What activity would cause more moisture to be in the air around you?

Choices:
A. animals
B. wildfire
C. alligators
D. Forest fire
E. rainfall
F. seasonal
G. heat
H. damaging

Answer: E

What activity would cause more moisture to be in the air around you? (A) animals (B) wildfire (C) alligators (D) Forest fire (E) rainfall (F) seasonal (G) heat (H) damaging


What unit of measurement is moisture measured in?

Choices:
A. barometer
B. water
C. liquids
D. inches
E. Honey
F. measures
G. lamphreys
H. osculum

Answer: D

All precipitation amounts are in inches.

What unit of measurement is moisture measured in? (A) barometer (B) water (C) liquids (D) inches (E) Honey (F) measures (G) lamphreys (H) osculum


What happens to the electrical conductivity of wood after it is made wet by precipitation?

Choices:
A. danger
B. destruction
C. damaging
D. thermal expansion
E. amount of heat
F. it increases
G. Slows down
H. Major effects

Answer: F

Moisture is related to the electrical conductivity, which increases with increasing moisture levels.

The electrical conductivity of wood increases after precipitation falls on it

What happens to the electrical conductivity of wood after it is made wet by precipitation? (A) danger (B) destruction (C) damaging (D) thermal expansion (E) amount of heat (F) it increases (G) Slows down (H) Major effects


Choices:
A. animals
B. dogs
C. each species
D. related organisms
E. Monogamous species
F. black widows
G. fish
H. lizards

Answer: F

a spider web is used to capture food by spiders

Black widow spiders construct funnel-shaped webs.

What uses webs to capture food? (A) animals (B) dogs (C) each species (D) related organisms (E) Monogamous species (F) black widows (G) fish (H) lizards


What do eight legged arachnids do after they catch their prey in a web?

Choices:
A. Inject venom
B. moving over land
C. scratching it
D. nutritious fluid
E. secreting
F. Communication
G. how they move
H. male gametes

Answer: A

Spiders inject venom into the body of a captured insect to paralyze it.

Eight legged arachnid capture food with a web and inject venom to paralyze it to eat

What do eight legged arachnids do after they catch their prey in a web? (A) Inject venom (B) moving over land (C) scratching it (D) nutritious fluid (E) secreting (F) Communication (G) how they move (H) male gametes


Choices:
A. Sperm
B. nectar
C. bears
D. water
E. adult
F. Honey
G. food
H. hairs

Answer: G

what does a web capture? (A) Sperm (B) nectar (C) bears (D) water (E) adult (F) Honey (G) food (H) hairs


Choices:
A. spiders
B. lamphreys
C. insects
D. worms
E. protozoa
F. dust
G. antigens
H. matter

Answer: C

What do webs capture? (A) spiders (B) lamphreys (C) insects (D) worms (E) protozoa (F) dust (G) antigens (H) matter


Choices:
A. insects
B. hairs
C. rain
D. lions
E. protozoa
F. tiny hairs
G. lamphreys
H. cnidarians

Answer: A

Web spinning spiders spin webs to catch insects.

what do spiders catch? (A) insects (B) hairs (C) rain (D) lions (E) protozoa (F) tiny hairs (G) lamphreys (H) cnidarians


Webs are built to capture food by what legged creatures?

Choices:
A. six
B. nine
C. animals
D. Worms
E. four
F. adult
G. eight
H. lynx

Answer: G

Webs are built to capture food by eight legged creatures.

Webs are built to capture food by what legged creatures? (A) six (B) nine (C) animals (D) Worms (E) four (F) adult (G) eight (H) lynx


Choices:
A. larvae
B. Worms
C. water
D. Testes
E. food
F. Honey
G. light
H. cilia

Answer: E

a spider uses traps to capture what (A) larvae (B) Worms (C) water (D) Testes (E) food (F) Honey (G) light (H) cilia


What kind of animal uses a web to catch food?

Choices:
A. arachnids
B. animals
C. insects
D. marine
E. cats
F. lamphreys
G. Therapsids
H. cnidarians

Answer: A

A web is used to capture food by arachnids.

What kind of animal uses a web to catch food? (A) arachnids (B) animals (C) insects (D) marine (E) cats (F) lamphreys (G) Therapsids (H) cnidarians


Choices:
A. RNA
B. cats
C. fish
D. food
E. dust
F. hair
G. waves
H. rain

Answer: D

Cobweb spiders construct webs in corners and areas of little traffic such as basements.

A cobweb is used to capture what? (A) RNA (B) cats (C) fish (D) food (E) dust (F) hair (G) waves (H) rain


What is used by spiders to capture insects?

Choices:
A. flying
B. weapons
C. skin
D. Rolex
E. weater
F. electricity
G. food
H. webs

Answer: H

Larger numbers of spiders and spider webs means there are many insects available for food.

a spider web is used to capture insects by spiders

What is used by spiders to capture insects? (A) flying (B) weapons (C) skin (D) Rolex (E) weater (F) electricity (G) food (H) webs


Choices:
A. clown fish
B. lizards
C. cnidarians
D. each species
E. monkeys
F. sponges
G. arachnids
H. dandelions

Answer: G

Spiders are the largest group of arachnids.

What captures food with a web? (A) clown fish (B) lizards (C) cnidarians (D) each species (E) monkeys (F) sponges (G) arachnids (H) dandelions


Choices:
A. meta
B. fluid
C. saliva
D. silk
E. cilia
F. Speed
G. hairs
H. skin

Answer: D

Spiders build webs from silk produced in their abdomen.

What do spiders use to capture food? (A) meta (B) fluid (C) saliva (D) silk (E) cilia (F) Speed (G) hairs (H) skin


Choices:
A. fish
B. bacteria
C. anemones
D. frogs
E. coliform
F. protozoa
G. chondrocytes
H. a producer

Answer: F

Protozoa can be classified on the basis of how they move.

Flagellates are the smallest of the protozoa and use a few whip like flagella to move.

What are flagellates? (A) fish (B) bacteria (C) anemones (D) frogs (E) coliform (F) protozoa (G) chondrocytes (H) a producer


Protozoa can be identified by how they what?

Choices:
A. frog
B. RNA
C. Type O
D. grow
E. sing
F. size
G. move
H. algae

Answer: G

For ease of identification, cotton seedlings are classified into the following three categories.

Protozoa can be identified by how they move.

Protozoa can be identified by how they what? (A) frog (B) RNA (C) Type O (D) grow (E) sing (F) size (G) move (H) algae


Choices:
A. humans
B. cilia
C. kids
D. algae
E. cells
F. people
G. plankton
H. weater

Answer: B

Cilia wave in a coordinated way to move the protozoa in one direction.

what move by waving? (A) humans (B) cilia (C) kids (D) algae (E) cells (F) people (G) plankton (H) weater


Choices:
A. the smell
B. coliform
C. the taste
D. canis lupus
E. how they move
F. the length
G. skin color
H. coelenterates

Answer: E

Paramecium are protozoa, single celled animals.

paramecium can be classified on how they move

What is a way to categorize paramecium?  (A) the smell (B) coliform (C) the taste (D) canis lupus (E) how they move (F) the length (G) skin color (H) coelenterates


What can be classified on the basis of how they move?

Choices:
A. eggs
B. single celled animals
C. ovaries
D. microbes and mussels
E. snow, ice, and rock
F. melanin content
G. dermal & vascular tissue
H. reptiles ancestral to mammals

Answer: B

single celled animals can be classified on the basis of how they move

What can be classified on the basis of how they move? (A) eggs (B) single celled animals (C) ovaries (D) microbes and mussels (E) snow, ice, and rock (F) melanin content (G) dermal & vascular tissue (H) reptiles ancestral to mammals


What can be classified on the basis of how they move?

Choices:
A. each species
B. aquatic organisms
C. reptiles ancestral to mammals
D. single celled organisms
E. microbes and mussels
F. trailers and boats
G. How fast a vehicle is going
H. melanin content

Answer: D

What can be classified on the basis of how they move? (A) each species (B) aquatic organisms (C) reptiles ancestral to mammals (D) single celled organisms (E) microbes and mussels (F) trailers and boats (G) How fast a vehicle is going (H) melanin content


How can animals like cyptosporidium be classified?

Choices:
A. prokaryotic cells
B. holding nutrients
C. Laboratory
D. how they move
E. eukaryotic cells
F. coelenterates
G. melanin content
H. angiosperm

Answer: D

Cryptosporidium parvum is the hardest protozoa to kill.

Animals like cyptosporidium are often classified on how they move.

How can animals like cyptosporidium be classified? (A) prokaryotic cells (B) holding nutrients (C) Laboratory (D) how they move (E) eukaryotic cells (F) coelenterates (G) melanin content (H) angiosperm


Ciliates can be classified on the basis of how they what?

Choices:
A. shells
B. marine
C. smooth
D. hairs
E. tissue
F. cells
G. move
H. snails

Answer: G

Ciliates can be classified on the basis of how they move.

Ciliates can be classified on the basis of how they what? (A) shells (B) marine (C) smooth (D) hairs (E) tissue (F) cells (G) move (H) snails


What makes and stores red and yellow colors?

Choices:
A. trees and flowers
B. h20
C. transportation
D. melanin content
E. prokaryotic cells
F. Bacteria
G. Chromoplasts
H. Single celled organisms

Answer: G

Chromoplasts contain red or yellow xanthophyll pigments in large amounts.

Chromoplasts make and store red or yellow colors in large amounts

What makes and stores red and yellow colors? (A) trees and flowers (B) h20 (C) transportation (D) melanin content (E) prokaryotic cells (F) Bacteria (G) Chromoplasts (H) Single celled organisms


Choices:
A. several genes
B. brushes
C. prokaryotic cells
D. trees and flowers
E. h2o
F. chromoplasts
G. skin color
H. cans

Answer: F

what gives color to paint? (A) several genes (B) brushes (C) prokaryotic cells (D) trees and flowers (E) h2o (F) chromoplasts (G) skin color (H) cans


Chromoplasts make and store color and are red, yellow or orange in what?

Choices:
A. size
B. RNA
C. food
D. silk
E. hue
F. heat
G. paintings
H. eyes

Answer: E

Chromoplasts are red, yellow or orange in hue due to the cartenoid pigments they contain.

Chromoplasts are red, yellow or orange in hue and make and store colors.

Chromoplasts make and store color and are red, yellow or orange in what? (A) size (B) RNA (C) food (D) silk (E) hue (F) heat (G) paintings (H) eyes


Choices:
A. single celled organisms
B. unicellular organisms
C. pastels
D. single cell microorganisms
E. pencils
F. acrylics
G. flower petals and fruits
H. some prokaryotes

Answer: G

Chromoplasts are found in many flower petals and fruits.

Flower petals and fruits make and store pigments.

What can make and store pigments? (A) single celled organisms (B) unicellular organisms (C) pastels (D) single cell microorganisms (E) pencils (F) acrylics (G) flower petals and fruits (H) some prokaryotes


Choices:
A. cells
B. melanin
C. skin
D. keratin
E. tiny hairs
F. flagella
G. epidermis
H. pigments

Answer: H

What do flowers contain? (A) cells (B) melanin (C) skin (D) keratin (E) tiny hairs (F) flagella (G) epidermis (H) pigments


chromoplasts make and do what to the same thing that gives color to paint?

Choices:
A. store
B. cells
C. blow up
D. orange
E. plant
F. paint
G. Flowers
H. discard

Answer: A

chromoplasts make and store the same thing that gives color to paint.

chromoplasts make and do what to the same thing that gives color to paint? (A) store (B) cells (C) blow up (D) orange (E) plant (F) paint (G) Flowers (H) discard


What are substances that absorb visible light?

Choices:
A. chromatic
B. chromoplasts
C. trucks and cars
D. sea anemones
E. chromatin
F. chromatid
G. black widows
H. prokaryotic cells

Answer: B

Photosynthesis Pigments Pigments are substances that absorb visible light.

Chromoplasts store substances that absorb visible light

What are substances that absorb visible light? (A) chromatic (B) chromoplasts (C) trucks and cars (D) sea anemones (E) chromatin (F) chromatid (G) black widows (H) prokaryotic cells


Choices:
A. marine
B. cilia
C. Testes
D. orange
E. weater
F. hued
G. Type O
H. cells

Answer: F

what are chromoplasts? (A) marine (B) cilia (C) Testes (D) orange (E) weater (F) hued (G) Type O (H) cells


Choices:
A. can be organic
B. angiosperm
C. jellyfish
D. some anthozoans
E. chromoplasts
F. trees and flowers
G. pickles
H. sea anemones

Answer: E

Photosynthetic Pigments Photosynthetic Pigments Pigments are colorful compounds.

Chromoplasts make and store colorful compounds

What make and store colorful compounds? (A) can be organic (B) angiosperm (C) jellyfish (D) some anthozoans (E) chromoplasts (F) trees and flowers (G) pickles (H) sea anemones


What kind of coloring do chomoplasts make?

Choices:
A. fat
B. move
C. red
D. grow
E. RNA
F. skin
G. eyes
H. DNA

Answer: C

What kind of coloring do chomoplasts make? (A) fat (B) move (C) red (D) grow (E) RNA (F) skin (G) eyes (H) DNA


Where might nectar be converted into honey?

Choices:
A. Underwater
B. Underground
C. tubular organ
D. In an apiary
E. eukaryotic cells
F. male gametes
G. a hosta
H. Inside a cocoon

Answer: D

Nectar is converted into honey in an apiary

Honey bees are very social in that they all live together in home, or apiary.

Where might nectar be converted into honey? (A) Underwater (B) Underground (C) tubular organ (D) In an apiary (E) eukaryotic cells (F) male gametes (G) a hosta (H) Inside a cocoon


From what part of the plant do bees collect the substance they need to make honey?

Choices:
A. Fruit
B. a hosta
C. food
D. Leaves
E. keratin
F. Flowers
G. liquids
H. Stem

Answer: F

Butterflies feed on nectar produced by flowers.

From what part of the plant do bees collect the substance they need to make honey? (A) Fruit (B) a hosta (C) food (D) Leaves (E) keratin (F) Flowers (G) liquids (H) Stem


Choices:
A. water
B. male gametes
C. flowers
D. in the beehive
E. tree
F. nest
G. blossoms
H. snow, ice, and rock

Answer: D

Where is nectar changed to honey? (A) water (B) male gametes (C) flowers (D) in the beehive (E) tree (F) nest (G) blossoms (H) snow, ice, and rock


Choices:
A. Air
B. Honey
C. a producer
D. orange
E. lamphreys
F. a hosta
G. Flowers
H. Water

Answer: G

Flowers are the source of nectar for a preferred honey.

Where do bees get nectar? (A) Air (B) Honey (C) a producer (D) orange (E) lamphreys (F) a hosta (G) Flowers (H) Water


Choices:
A. male gametes
B. sunflower seeds
C. ribonucleic acid
D. flower secretion
E. single celled organisms
F. oak trees
G. unicellular organisms
H. melanin content

Answer: D

bees convert flower secretion into honey

what do bees use to convert into honey? (A) male gametes (B) sunflower seeds (C) ribonucleic acid (D) flower secretion (E) single celled organisms (F) oak trees (G) unicellular organisms (H) melanin content


What do bees convert for something for tea?

Choices:
A. lamphreys
B. blossoms
C. nectar
D. flagellum
E. RNA
F. producer
G. bears
H. herbs

Answer: C

bees convert nectar into something for tea

What do bees convert for something for tea? (A) lamphreys (B) blossoms (C) nectar (D) flagellum (E) RNA (F) producer (G) bears (H) herbs


What do bees create from what they gather from flowers?

Choices:
A. Nests
B. silk
C. enzymes
D. RNA
E. herbs
F. Water
G. a hosta
H. Honey

Answer: H

Bees move from flower to flower, gathering nectar.

Bees make honey from what they gather from flowers

What do bees create from what they gather from flowers? (A) Nests (B) silk (C) enzymes (D) RNA (E) herbs (F) Water (G) a hosta (H) Honey


Where can bees find the materials needed to make honey?

Choices:
A. heated by the sun
B. occurs over a wide range
C. trees and flowers
D. buildings
E. hives
F. leaves
G. 70-75 degrees Fahrenheit
H. interior chambers

Answer: C

Nectar is in flowers, trees and hummingbird feeders.

Bees gather material to make honey from flowers and trees.

Where can bees find the materials needed to make honey? (A) heated by the sun (B) occurs over a wide range (C) trees and flowers (D) buildings (E) hives (F) leaves (G) 70-75 degrees Fahrenheit (H) interior chambers


One type of animal that produce a lot of thick, slimy mucus is _.

Choices:
A. lizards
B. Arachnids
C. Bees
D. Beetles
E. aquatic
F. sponges
G. Jawless fish
H. angiosperm

Answer: G

Hagfish are noted for secreting large amounts of thick, slimy mucus.

Today, jawless fish include the lampreys and hagfishes.

Some jawless fish secrete large amounts of thick, slimy mucus.

One type of animal that produce a lot of thick, slimy mucus is _. (A) lizards (B) Arachnids (C) Bees (D) Beetles (E) aquatic (F) sponges (G) Jawless fish (H) angiosperm


What do some jawless fish secrete large amounts of?

Choices:
A. thick, slimy mucus
B. chondrocytes
C. gills
D. melanin content
E. scales
F. gasoline
G. antigens that cause allergy
H. holding nutrients

Answer: A

some jawless fish secrete large amounts of thick, slimy mucus.

What do some jawless fish secrete large amounts of? (A) thick, slimy mucus (B) chondrocytes (C) gills (D) melanin content (E) scales (F) gasoline (G) antigens that cause allergy (H) holding nutrients


Choices:
A. sweat
B. RNA
C. water
D. air
E. Protein
F. mucus
G. saliva
H. antigen

Answer: F

Hagfishes are entirely marine, very slimy, and feed on carrion and injured fishes.

What do hagfish secrete? (A) sweat (B) RNA (C) water (D) air (E) Protein (F) mucus (G) saliva (H) antigen


what environments contain thick, slimy mucus?

Choices:
A. Pacific
B. sponges
C. the moon
D. marine
E. outer space
F. Porifera
G. cows
H. gravity

Answer: D

marine environments have thick, slimy mucus

what environments contain thick, slimy mucus? (A) Pacific (B) sponges (C) the moon (D) marine (E) outer space (F) Porifera (G) cows (H) gravity


What animals are noted for secreting large amounts of thick, slimy mucus?

Choices:
A. close relatives of coral
B. angiosperm
C. some prokaryotes
D. phlegm
E. some jawless fish
F. Jabba the Hutt
G. arachnids
H. holding nutrients

Answer: E

Some living jawless fish are noted for secreting large amounts of thick, slimy mucus.

What animals are noted for secreting large amounts of thick, slimy mucus? (A) close relatives of coral (B) angiosperm (C) some prokaryotes (D) phlegm (E) some jawless fish (F) Jabba the Hutt (G) arachnids (H) holding nutrients


Creatures that have no internal hard tissues at all are noted for what-ing large amounts of thick,?

Choices:
A. space between
B. protection
C. secreting
D. coarse grit
E. dandelions
F. sponges
G. tiny hairs
H. Therapsids

Answer: C

Hagfish and lampreys have no internal hard tissues at all.

Creatures that have no internal hard tissues at all are noted for secreting large amounts of thick, slimy mucus.

Creatures that have no internal hard tissues at all are noted for what-ing large amounts of thick,? (A) space between (B) protection (C) secreting (D) coarse grit (E) dandelions (F) sponges (G) tiny hairs (H) Therapsids


Mountains are formed by the what of tectonic plates?

Choices:
A. counterop
B. backbones
C. dissolving
D. Type O
E. move
F. static
G. movement
H. brewing

Answer: G

Mountains are formed by movement of the tectonic plates.

Earthquakes are caused by movement of the tectonic plates.

Mountains are formed by the what of tectonic plates? (A) counterop (B) backbones (C) dissolving (D) Type O (E) move (F) static (G) movement (H) brewing


Choices:
A. moving plates
B. erosion
C. snowcaps
D. precipitation
E. trucks and cars
F. peaks
G. water vapor
H. tornadoes

Answer: A

Earthquakes Earthquakes are the results of moving plates.

what are mountains formed by? (A) moving plates (B) erosion (C) snowcaps (D) precipitation (E) trucks and cars (F) peaks (G) water vapor (H) tornadoes


Choices:
A. erosion
B. tornadoes
C. flooding
D. earthquakes
E. hurricanes
F. amount of heat
G. precipitation
H. permeable walls

Answer: D

For big mountain background, check out the Himalayas .

What formed the Himalayas? (A) erosion (B) tornadoes (C) flooding (D) earthquakes (E) hurricanes (F) amount of heat (G) precipitation (H) permeable walls


Choices:
A. very complex
B. lamphreys
C. permanent
D. energy
E. horses
F. moving plates
G. heated by the sun
H. life

Answer: F

What are forms mountains? (A) very complex (B) lamphreys (C) permanent (D) energy (E) horses (F) moving plates (G) heated by the sun (H) life


Choices:
A. dust clouds
B. danger
C. friction
D. wind storms
E. precipitation
F. air pollution
G. mountains
H. hurricanes

Answer: G

What is caused by moving plates? (A) dust clouds (B) danger (C) friction (D) wind storms (E) precipitation (F) air pollution (G) mountains (H) hurricanes


Choices:
A. sound vibrations
B. oil drilling
C. it increases
D. Earthquakes
E. deposits
F. erosion
G. mud slides
H. hurricanes

Answer: D

Many mountains are formed through uplifting.

Earthquakes can cause uplifting to occur.

What can cause uplifting to occur (A) sound vibrations (B) oil drilling (C) it increases (D) Earthquakes (E) deposits (F) erosion (G) mud slides (H) hurricanes


Choices:
A. deposits
B. coarse grit
C. backbones
D. road bends
E. The Alps
F. pitches
G. waves
H. Otoacoustic

Answer: E

What was formed by earthquakes? (A) deposits (B) coarse grit (C) backbones (D) road bends (E) The Alps (F) pitches (G) waves (H) Otoacoustic


Choices:
A. rocks
B. poles
C. weater
D. pitches
E. winter
F. weight
G. Cold
H. Growth

Answer: A

Here the rocks have been uplifted along earthquake faults to make a mountain.

What forms a mountain? (A) rocks (B) poles (C) weater (D) pitches (E) winter (F) weight (G) Cold (H) Growth


Choices:
A. music
B. trees
C. antibodies
D. Flowers
E. backbones
F. antigens
G. Mountains
H. several genes

Answer: G

Earthquakes Earthquakes Japan is an earthquake-prone country.

What does Japan have a lot of?  (A) music (B) trees (C) antibodies (D) Flowers (E) backbones (F) antigens (G) Mountains (H) several genes


Choices:
A. antigens
B. stomach
C. coliform
D. respiration
E. fats
F. food
G. enzymes
H. urine

Answer: G

Chemical digestion occurs mainly in the small intestine.

Enzymes are chemicals involved in digestion.

what are found in the small intestine? (A) antigens (B) stomach (C) coliform (D) respiration (E) fats (F) food (G) enzymes (H) urine


A patient with celiac disease will likely have reduced

Choices:
A. chemical digestion
B. speed of movements
C. nose piercings
D. expression
E. Lymphocytes
F. psoriasis
G. intelligence
H. White blood cells

Answer: A

Celiac disease damages the small intestine and interferes with nutrient absorption.

Celiac disease interferes with chemical digestion

A patient with celiac disease will likely have reduced  (A) chemical digestion (B) speed of movements (C) nose piercings (D) expression (E) Lymphocytes (F) psoriasis (G) intelligence (H) White blood cells


Choices:
A. gas spreads in the air
B. the environment
C. brain
D. a cold environment
E. heart
F. lungs
G. small intestine
H. Seconds and minutes

Answer: G

Chemical digestion and absorption of food occurs in the small intestine.

chemical absorption happens in the small intestine

Where does chemical absorption happen? (A) gas spreads in the air (B) the environment (C) brain (D) a cold environment (E) heart (F) lungs (G) small intestine (H) Seconds and minutes


Breaking complex chemicals into simple ones in humans occur in what location?

Choices:
A. Chemical laboratory
B. where insulin is secreted
C. Sports complex
D. 70-75 degrees Fahrenheit
E. around 5 to 27 degrees Celsius
F. Human hands
G. Mainly in small intestine
H. the environment

Answer: G

Chemical digestion breaks complex chemicals into simple ones.

Breaking complex chemicals into simple ones occurs mainly in the small intestine.

Breaking complex chemicals into simple ones in humans occur in what location? (A) Chemical laboratory (B) where insulin is secreted (C) Sports complex (D) 70-75 degrees Fahrenheit (E) around 5 to 27 degrees Celsius (F) Human hands (G) Mainly in small intestine (H) the environment


what involved in digestion occur mainly in the small intestine?

Choices:
A. corn
B. nutrients
C. cells
D. foods
E. fish
F. enzymes
G. fats
H. vorticella

Answer: F

Enzymes involved in digestion occur mainly in the small intestine

what involved in digestion occur mainly in the small intestine? (A) corn (B) nutrients (C) cells (D) foods (E) fish (F) enzymes (G) fats (H) vorticella


Choices:
A. amount of heat
B. dandelions
C. several genes
D. flagella
E. lactobacillus
F. a hosta
G. melanin content
H. holding nutrients

Answer: E

Lactobacillus is present in the small intestine.

What aids chemical digestion? (A) amount of heat (B) dandelions (C) several genes (D) flagella (E) lactobacillus (F) a hosta (G) melanin content (H) holding nutrients


After someone eats, the food is chemically digested mainly where?

Choices:
A. antigens that cause allergy
B. in the small bowel
C. prokaryotic cells
D. on a plant possessing stoma
E. dermal & vascular tissue
F. the environment
G. holding nutrients
H. occurs over a wide range

Answer: B

Physicians often call the intestines the bowels.

Chemical digestion occurs mainly in the small bowel.

After someone eats, the food is chemically digested mainly where? (A) antigens that cause allergy (B) in the small bowel (C) prokaryotic cells (D) on a plant possessing stoma (E) dermal & vascular tissue (F) the environment (G) holding nutrients (H) occurs over a wide range


Choices:
A. in the small intestine
B. occurs over a wide range
C. Microscopic vessels.
D. tissue made of chondrocytes
E. chondrocytes
F. holding nutrients
G. snow, ice, and rock
H. To survive in their environment

Answer: A

enzymes are located in the small intestine

Where are enzymes located? (A) in the small intestine (B) occurs over a wide range (C) Microscopic vessels. (D) tissue made of chondrocytes (E) chondrocytes (F) holding nutrients (G) snow, ice, and rock (H) To survive in their environment


Complex chemicals break down into simple ones mainly in the _.

Choices:
A. mild heating process
B. Seconds and minutes
C. unicellular organisms
D. tropical cyclone
E. angiosperm
F. small intestine
G. Laboratory
H. paramecium

Answer: F

Complex chemicals break down into simple ones mainly in the small intestine.

Complex chemicals break down into simple ones mainly in the _. (A) mild heating process (B) Seconds and minutes (C) unicellular organisms (D) tropical cyclone (E) angiosperm (F) small intestine (G) Laboratory (H) paramecium


What computer component can you use to measure time?

Choices:
A. size
B. wind
C. Mohs
D. Mouse
E. heat
F. CPU
G. Seconds
H. Hard drive

Answer: F

What computer component can you use to measure time? (A) size (B) wind (C) Mohs (D) Mouse (E) heat (F) CPU (G) Seconds (H) Hard drive


Choices:
A. percents
B. seconds
C. rainfall
D. lamphreys
E. feet
F. pounds
G. distance
H. meters

Answer: B

An accounting period is simply a period of time.

What is used to measure a period? (A) percents (B) seconds (C) rainfall (D) lamphreys (E) feet (F) pounds (G) distance (H) meters


Choices:
A. 70-75 degrees Fahrenheit
B. far fewer in number
C. Differences in speed
D. Calculating the sunrise
E. Using a stopwatch
F. The hour hand on a clock
G. Counting your breaths
H. sound vibrations

Answer: E

What do you measure seconds? (A) 70-75 degrees Fahrenheit (B) far fewer in number (C) Differences in speed (D) Calculating the sunrise (E) Using a stopwatch (F) The hour hand on a clock (G) Counting your breaths (H) sound vibrations


Choices:
A. shaking
B. Seconds
C. Speed
D. matter
E. wind
F. rain
G. fields
H. Pupils

Answer: C

Speed is measured by the distance covered divided by the elapsed time.

seconds can be used to measure (A) shaking (B) Seconds (C) Speed (D) matter (E) wind (F) rain (G) fields (H) Pupils


Stiff hairs on the face are used for what by animals?

Choices:
A. drinking
B. vibration
C. feeling
D. bathing
E. movement
F. eating
G. strength
H. protection

Answer: C

whiskers are used for feeling by animals

Whiskers Whiskers are the stiff hairs on the dog's face.

Stiff hairs on the face are used for feeling by animals.

Stiff hairs on the face are used for what by animals? (A) drinking (B) vibration (C) feeling (D) bathing (E) movement (F) eating (G) strength (H) protection


What does a dog use the stiff hairs on his face for?

Choices:
A. movement
B. how they move
C. expression
D. visibility
E. For emotion.
F. For feeling.
G. For styling.
H. For hearing.

Answer: F

Stiff hairs on the dog's face are used for feeling.

What does a dog use the stiff hairs on his face for? (A) movement (B) how they move (C) expression (D) visibility (E) For emotion. (F) For feeling. (G) For styling. (H) For hearing.


What can cats use special long hairs to do?

Choices:
A. Reproduce
B. Growth
C. Detect ghosts
D. damage
E. Eat
F. learn
G. Feel
H. grow

Answer: G

Cats use specialized long hair on their faces to feel with.

What can cats use special long hairs to do? (A) Reproduce (B) Growth (C) Detect ghosts (D) damage (E) Eat (F) learn (G) Feel (H) grow


Choices:
A. bone
B. antigens
C. flight
D. magic
E. feeling
F. tissue
G. adult
H. telekinesis

Answer: E

What do cats have body parts for? (A) bone (B) antigens (C) flight (D) magic (E) feeling (F) tissue (G) adult (H) telekinesis


Choices:
A. adult
B. jellyfish
C. cats
D. babies
E. cows
F. bacteria
G. humans
H. weather

Answer: C

what uses whiskers for feeling? (A) adult (B) jellyfish (C) cats (D) babies (E) cows (F) bacteria (G) humans (H) weather


Tissue made of  what is used for feeling by animals?

Choices:
A. Protein
B. fats
C. cells
D. neurones
E. mucus
F. Vibrates
G. Cartilage
H. keratin

Answer: H

Hair, whiskers, claws, and hooves are also made of keratin.

tissue made of keratin is used for feeling by animals

Tissue made of  what is used for feeling by animals? (A) Protein (B) fats (C) cells (D) neurones (E) mucus (F) Vibrates (G) Cartilage (H) keratin


Choices:
A. Watch
B. seconds
C. fluid
D. Ruler
E. goggles
F. glasses
G. Drill
H. Scale

Answer: A

What can be used to measure seconds? (A) Watch (B) seconds (C) fluid (D) Ruler (E) goggles (F) glasses (G) Drill (H) Scale


What instrument could be used to measure seconds?

Choices:
A. a watch
B. weater
C. a hygrometer
D. Fractions
E. satellites
F. a seismometer
G. an anemometer
H. lamphreys

Answer: A

What instrument could be used to measure seconds? (A) a watch (B) weater (C) a hygrometer (D) Fractions (E) satellites (F) a seismometer (G) an anemometer (H) lamphreys


Choices:
A. speed
B. compass
C. beakers
D. Rolex
E. yard stick
F. 86400
G. glasses
H. thermometer

Answer: D

Today's Rolex is tomorrow's cheap gold watch.

what is used for measuring time? (A) speed (B) compass (C) beakers (D) Rolex (E) yard stick (F) 86400 (G) glasses (H) thermometer


What measures hours, seconds, and minutes?

Choices:
A. Laboratory
B. The sun
C. Pacific
D. A candle
E. weater
F. A watch
G. A metronome
H. a hosta

Answer: F

A watch measures hours, seconds, and minutes

Time is measured using hours, seconds, and minutes.

What measures hours, seconds, and minutes? (A) Laboratory (B) The sun (C) Pacific (D) A candle (E) weater (F) A watch (G) A metronome (H) a hosta


Choices:
A. safe operation
B. an infant's growth
C. hearing
D. water
E. help other species benefit
F. local weather conditions
G. studying weather
H. Scientific research

Answer: H

Time management is the science of how to use the hours in a day more efficiently.

a watch is needed for scientific research

What can a watch be used for? (A) safe operation (B) an infant's growth (C) hearing (D) water (E) help other species benefit (F) local weather conditions (G) studying weather (H) Scientific research


Choices:
A. protection
B. percents
C. as a base
D. inches
E. minutes
F. temperature
G. antigens
H. weight

Answer: E

What does a watch measure? (A) protection (B) percents (C) as a base (D) inches (E) minutes (F) temperature (G) antigens (H) weight


Choices:
A. protection
B. Days
C. vibration
D. Seconds
E. Years
F. satellites
G. Months
H. movement

Answer: D

What do watches need to keep track of? (A) protection (B) Days (C) vibration (D) Seconds (E) Years (F) satellites (G) Months (H) movement


Choices:
A. blinking orbs
B. feedback mechanisms
C. glowing lights
D. snow, ice, and rock
E. tubular organ
F. lamphreys
G. ticking hands
H. moving walls

Answer: G

Probably the easiest way to see time is to watch the ticking hands of a clock.

ticking hands are used for measuring time.

what is used for measuring time? (A) blinking orbs (B) feedback mechanisms (C) glowing lights (D) snow, ice, and rock (E) tubular organ (F) lamphreys (G) ticking hands (H) moving walls


Choices:
A. earthquakes
B. vibration
C. changes in size
D. 70-75 degrees Fahrenheit
E. speed of movements
F. local weather conditions
G. feedback mechanisms
H. 295 degrees Kelvin

Answer: E

A watch can be used  for measuring speed of movements.

A watch can be used for measuring (A) earthquakes (B) vibration (C) changes in size (D) 70-75 degrees Fahrenheit (E) speed of movements (F) local weather conditions (G) feedback mechanisms (H) 295 degrees Kelvin


Microbes can live on any surface that has not been what?

Choices:
A. a hosta
B. wildfire
C. moving plates
D. dying
E. damaging
F. polygenic
G. sterilized
H. water

Answer: G

Any surface that has not been sterilized is likely to be covered with bacteria.

Any surface that has not been sterilized is likely to be covered with live microbes.

Microbes can live on any surface that has not been what? (A) a hosta (B) wildfire (C) moving plates (D) dying (E) damaging (F) polygenic (G) sterilized (H) water


a surface that is not what is likely to be covered with something that eats and digests foods?

Choices:
A. cartilage
B. plastic
C. dirty
D. sterilized
E. a hosta
F. covered in bacteria
G. Unsafe
H. tooth enamel

Answer: D

a surface not sterilized is likely to be covered with something that eats and digests foods

a surface that is not what is likely to be covered with something that eats and digests foods? (A) cartilage (B) plastic (C) dirty (D) sterilized (E) a hosta (F) covered in bacteria (G) Unsafe (H) tooth enamel


What can surfaces that haven't been sterilized do to people?

Choices:
A. Prevent injuries
B. Help people learn
C. Make them sick
D. Make people money
E. Make them strong
F. damaging
G. destruction
H. Injure them

Answer: C

Bacteria and viruses that make people sick can be passed on our hands.

any surface that has not been sterilized can make people sick

What can surfaces that haven't been sterilized do to people? (A) Prevent injuries (B) Help people learn (C) Make them sick (D) Make people money (E) Make them strong (F) damaging (G) destruction (H) Injure them


Any surface that has not been sterilized is likely to be covered with:

Choices:
A. sticky stuff
B. dead snail shells
C. single cell microorganisms
D. large creatures
E. microbes and mussels
F. nutritious fluid
G. 70-75 degrees Fahrenheit
H. water

Answer: C

Any surface that has not been sterilized is likely to be covered with single cell microorganisms.

Any surface that has not been sterilized is likely to be covered with: (A) sticky stuff (B) dead snail shells (C) single cell microorganisms (D) large creatures (E) microbes and mussels (F) nutritious fluid (G) 70-75 degrees Fahrenheit (H) water


What should you do to a surface to make sure it doesn't have bacteria on it?

Choices:
A. look at it
B. protection
C. antibodies
D. measures
E. blow it off
F. calibrated
G. clean it
H. sweep it off with your hand

Answer: G

Surfaces can be steamed cleaned and sterilized.

Any surface that has not been cleaned is likely to be covered with bacteria.

What should you do to a surface to make sure it doesn't have bacteria on it? (A) look at it (B) protection (C) antibodies (D) measures (E) blow it off (F) calibrated (G) clean it (H) sweep it off with your hand


What should you sterilize after placing an uncooked hamburger on it?

Choices:
A. plasma and formed elements
B. Surfaces and counters
C. safe operation
D. Sesame Buns
E. antigens that cause allergy
F. Hot frying pans
G. Raw Meat
H. one-celled animals

Answer: B

Raw meat is loaded with harmful bacteria.

Surfaces where raw meat has been should be sterilized.

What should you sterilize after placing an uncooked hamburger on it? (A) plasma and formed elements (B) Surfaces and counters (C) safe operation (D) Sesame Buns (E) antigens that cause allergy (F) Hot frying pans (G) Raw Meat (H) one-celled animals


what is likely to be covered with bacteria if it has not been sterilized?

Choices:
A. counterop
B. Therapsids
C. dandelions
D. clouds
E. Lymph fluid
F. sea anemones
G. ferns
H. density

Answer: A

All countertop surfaces are natural stone.

any countertop that has not been sterilized is likely to be covered with bacteria

what is likely to be covered with bacteria if it has not been sterilized? (A) counterop (B) Therapsids (C) dandelions (D) clouds (E) Lymph fluid (F) sea anemones (G) ferns (H) density


Any area that has not been what is likely to be covered with bacteria?

Choices:
A. antigens that cause allergy
B. bleached with teeth
C. 70-75 degrees Fahrenheit
D. scrubbed with bleach
E. on a plant possessing stoma
F. extreme environments
G. washed with rags
H. scrubbed with sand

Answer: D

Any area that has not been scrubbed with bleach is likely to be covered with bacteria

Any area that has not been what is likely to be covered with bacteria? (A) antigens that cause allergy (B) bleached with teeth (C) 70-75 degrees Fahrenheit (D) scrubbed with bleach (E) on a plant possessing stoma (F) extreme environments (G) washed with rags (H) scrubbed with sand


Any surface that has not been sterilized could result in what?

Choices:
A. Major effects
B. diabetes
C. air pollution
D. erosion
E. disinfectant
F. infection
G. Car accidents
H. soap

Answer: F

Any surface that has not been sterilized could result in infection.

Any surface that has not been sterilized could result in what? (A) Major effects (B) diabetes (C) air pollution (D) erosion (E) disinfectant (F) infection (G) Car accidents (H) soap


What is any surface that has not been sterilized likely to be covered with?

Choices:
A. microscopic organisms
B. rocks
C. occurs over a wide range
D. 70-75 degrees Fahrenheit
E. dermal & vascular tissue
F. water
G. tooth enamel
H. ice

Answer: A

Bacteria are the smallest of microscopic organisms.

Any surface that has not been sterilized is likely to be covered with microscopic organisms

What is any surface that has not been sterilized likely to be covered with? (A) microscopic organisms (B) rocks (C) occurs over a wide range (D) 70-75 degrees Fahrenheit (E) dermal & vascular tissue (F) water (G) tooth enamel (H) ice


Choices:
A. sterilizing
B. amebiasis
C. antigens
D. plastic
E. changes in size
F. cartilage
G. a barometer
H. fluoride

Answer: A

Clean, sterilized contacts are less likely to breed bacteria.

What reduces bacteria on a surface? (A) sterilizing (B) amebiasis (C) antigens (D) plastic (E) changes in size (F) cartilage (G) a barometer (H) fluoride


Choices:
A. transportation
B. Warmer temperatures
C. trailers and boats
D. curing them
E. trees and flowers
F. Transporting humans
G. measuring device
H. clean a table

Answer: H

Potent liquid sterilant kills AIDS and other viruses on surfaces.

Use sterilant in order to sterilize a table.

What can sterilant be used for? (A) transportation (B) Warmer temperatures (C) trailers and boats (D) curing them (E) trees and flowers (F) Transporting humans (G) measuring device (H) clean a table


Choices:
A. reduce acidity of food
B. stop mouth pain
C. Extensive bone growth
D. make tooth enamel grow
E. protect eyes in the lab
F. It's inherited from genes
G. gas spreads in the air
H. decrease the destruction of tooth enamel

Answer: H

Tooth decay is a destruction of the tooth enamel.

Fluoride decreases the destruction of the enamel.

What does fluoride do? (A) reduce acidity of food (B) stop mouth pain (C) Extensive bone growth (D) make tooth enamel grow (E) protect eyes in the lab (F) It's inherited from genes (G) gas spreads in the air (H) decrease the destruction of tooth enamel


What can fluoride decrease the potential for?

Choices:
A. precipitation
B. friendship
C. relationships
D. Tooth pain
E. Weight loss
F. movement
G. destruction
H. friction

Answer: D

Tooth decay can be very painful, and can make teeth unsightly.

fluoride decreases the potential for tooth pain

What can fluoride decrease the potential for? (A) precipitation (B) friendship (C) relationships (D) Tooth pain (E) Weight loss (F) movement (G) destruction (H) friction


fluoride in toothpaste prevents destruction of what?

Choices:
A. calcium
B. bone density
C. tooth enamel
D. holding nutrients
E. tissue
F. ribonucleic acid
G. antigens
H. tiny hairs

Answer: C

fluoride prevents destruction of tooth enamel.

fluoride in toothpaste prevents destruction of what? (A) calcium (B) bone density (C) tooth enamel (D) holding nutrients (E) tissue (F) ribonucleic acid (G) antigens (H) tiny hairs


What prevents the destruction of tooth enamel?

Choices:
A. protection
B. treatment
C. Flouride
D. the cervix
E. keratin
F. estrogen
G. Soda
H. Nitrogen

Answer: C

Flouride prevents the destruction of tooth enamel.

What prevents the destruction of tooth enamel? (A) protection (B) treatment (C) Flouride (D) the cervix (E) keratin (F) estrogen (G) Soda (H) Nitrogen


Choices:
A. weater
B. cartilage
C. cesium
D. homeostasis
E. antibodies
F. cilia
G. magnesium
H. fluoride

Answer: H

Cavities are also known as carries and tooth decay.

What element can help prevent cavities? (A) weater (B) cartilage (C) cesium (D) homeostasis (E) antibodies (F) cilia (G) magnesium (H) fluoride


The salts of hydrofluoric acid do what to tooth decay?

Choices:
A. heating
B. amebiasis
C. swelling nodes
D. Type O
E. secreting
F. decrease it
G. precipitation
H. hard tissue

Answer: F

Fluorides Fluorides are the salts of hydrofluoric acid.

the salts of hydrofluoric acid decrease tooth decay

The salts of hydrofluoric acid do what to tooth decay? (A) heating (B) amebiasis (C) swelling nodes (D) Type O (E) secreting (F) decrease it (G) precipitation (H) hard tissue


Choices:
A. skin
B. antigen
C. water
D. heat
E. orange
F. insulin
G. osculum
H. weater

Answer: C

What decreases tooth decay? (A) skin (B) antigen (C) water (D) heat (E) orange (F) insulin (G) osculum (H) weater


Choices:
A. vitamin content
B. melanin content
C. homeostasis
D. thermal expansion
E. estrogen
F. drinking water
G. ribonucleic acid
H. warmer air

Answer: F

Humans get most of their fluoride in drinking water.

What decreases tooth decay? (A) vitamin content (B) melanin content (C) homeostasis (D) thermal expansion (E) estrogen (F) drinking water (G) ribonucleic acid (H) warmer air


Choices:
A. osmosis
B. eruption
C. some prokaryotes
D. magnetism
E. differentiation
F. Extensive bone growth
G. coelenterates
H. change an ecosystem

Answer: E

Differentiation is the process by which unspecialized cells become specialized.

Differentiation is the specialization of a cell line.

specializing occurs with differentiation

How does specialization occur? (A) osmosis (B) eruption (C) some prokaryotes (D) magnetism (E) differentiation (F) Extensive bone growth (G) coelenterates (H) change an ecosystem


What is the process by which neurons are created?

Choices:
A. communication
B. mutation
C. attraction
D. shedding
E. Seconds and minutes
F. heated by the sun
G. differentiation
H. melanin content

Answer: G

Differentiation is the process by which neurons are created

What is the process by which neurons are created? (A) communication (B) mutation (C) attraction (D) shedding (E) Seconds and minutes (F) heated by the sun (G) differentiation (H) melanin content


What is how plants become specialized during development?

Choices:
A. dividing
B. trees and flowers
C. differentiation
D. unicellular organisms
E. pollenating
F. melanin content
G. some prokaryotes
H. Extensive bone growth

Answer: C

How plant cells become specialized during development.

Differentiation is how plants become specialized during development

What is how plants become specialized during development? (A) dividing (B) trees and flowers (C) differentiation (D) unicellular organisms (E) pollenating (F) melanin content (G) some prokaryotes (H) Extensive bone growth


What is it called when hair becomes specialized?

Choices:
A. balding
B. hair growth
C. antigens
D. photosynthesis
E. melanin amount
F. changes in size
G. differentiation
H. Otoacoustic

Answer: G

All hair cells require Brn3.1 for differentiation.

Hair becomes specialized through differentiation

What is it called when hair becomes specialized? (A) balding (B) hair growth (C) antigens (D) photosynthesis (E) melanin amount (F) changes in size (G) differentiation (H) Otoacoustic


Differentiation is the process by which unspecialized basic units of life become what?

Choices:
A. ecosystems
B. specialized
C. more similar
D. some prokaryotes
E. identical
F. humans
G. coelenterates
H. plants

Answer: B

Differentiation is the process by which unspecialized basic units of life become specialized.

Differentiation is the process by which unspecialized basic units of life become what? (A) ecosystems (B) specialized (C) more similar (D) some prokaryotes (E) identical (F) humans (G) coelenterates (H) plants


What is essential for development of nerve cells?

Choices:
A. vibration
B. steel
C. Extensive bone growth
D. One can hear
E. stress
F. melanin content
G. sound vibrations
H. differentiation

Answer: H

Nerve cells are large, complicated, highly specialized cells.

Differentiation is essential to nerve cell development

What is essential for development of nerve cells? (A) vibration (B) steel (C) Extensive bone growth (D) One can hear (E) stress (F) melanin content (G) sound vibrations (H) differentiation


What is the process by which neurons are created?

Choices:
A. heated by the sun
B. communication
C. graduating
D. photosynthesis
E. Laboratory
F. Seconds and minutes
G. differentiation
H. melanin content

Answer: G

Differentiation is the process by which neurones are created

What is the process by which neurons are created? (A) heated by the sun (B) communication (C) graduating (D) photosynthesis (E) Laboratory (F) Seconds and minutes (G) differentiation (H) melanin content


memory cells and effector cells are what compared to T helper cells

Choices:
A. dermal & vascular tissue
B. antibodies
C. fetal development
D. antigens
E. occurs over a wide range
F. prokaryotic cells
G. unicellular organisms
H. more specialized

Answer: H

T helper cells differentiate to Memory cells and effector cells.

T helper cells are more specialized as Memory cells and effector cells

memory cells and effector cells are what compared to T helper cells (A) dermal & vascular tissue (B) antibodies (C) fetal development (D) antigens (E) occurs over a wide range (F) prokaryotic cells (G) unicellular organisms (H) more specialized


What is the method by which unspecialized cells become specialized?

Choices:
A. Laboratory
B. Pasteurization
C. pigmentation
D. Differentiation
E. several genes
F. polygenic trait
G. prokaryotic cells
H. chondrocytes

Answer: D

Differentiation is the method by which unspecialized cells become specialized.

What is the method by which unspecialized cells become specialized? (A) Laboratory (B) Pasteurization (C) pigmentation (D) Differentiation (E) several genes (F) polygenic trait (G) prokaryotic cells (H) chondrocytes


Ancestors of hagfish are thought to have been the earliest animals with?

Choices:
A. sunlight
B. cells
C. several genes
D. fossil record
E. ice
F. backbones
G. pigmentation
H. antibodies

Answer: F

Ancestors of hagfish are thought to have been the earliest vertebrates.

Animals with backbones are called vertebrates.

Ancestors of hagfish are thought to have been the earliest Animals with backbones

Ancestors of hagfish are thought to have been the earliest animals with? (A) sunlight (B) cells (C) several genes (D) fossil record (E) ice (F) backbones (G) pigmentation (H) antibodies


What were the earliest vertebrates who has relatives today?

Choices:
A. snails
B. humans
C. lynx
D. ferns
E. cows
F. Fish
G. Type O
H. cats

Answer: F

Descendants of the early jawless fish are present today in the lampreys and hagfishes.

The earliest vertebrates were jawless fish

What were the earliest vertebrates who has relatives today? (A) snails (B) humans (C) lynx (D) ferns (E) cows (F) Fish (G) Type O (H) cats


What did ancestors of hagfish probably have?

Choices:
A. cartilage
B. feet
C. backbone
D. wealth
E. hairs
F. keratin
G. friends
H. tooth enamel

Answer: C

Vertebrates are animals that have a backbone.

ancestors of hagfish probably had backbones

What did ancestors of hagfish probably have? (A) cartilage (B) feet (C) backbone (D) wealth (E) hairs (F) keratin (G) friends (H) tooth enamel


Choices:
A. vertebrates
B. bears
C. cold blooded
D. reptile
E. whales
F. their young
G. coelenterates
H. saves lives

Answer: A

Hagfish and sharks are both isosmotic with their saline environments.

what are sharks? (A) vertebrates (B) bears (C) cold blooded (D) reptile (E) whales (F) their young (G) coelenterates (H) saves lives


Ancestors of hagfish are thought to have been the earliest animals with what?

Choices:
A. fossil record
B. antigens
C. backbones
D. antibodies
E. arms
F. feet
G. hairs
H. wings

Answer: C

Vertebrates are animals with backbones, such as horses.

Ancestors of hagfish are thought to have been the earliest animals with backbones

Ancestors of hagfish are thought to have been the earliest animals with what? (A) fossil record (B) antigens (C) backbones (D) antibodies (E) arms (F) feet (G) hairs (H) wings


Ancestors of hagfish are thought to have had the earliest what?

Choices:
A. Growth
B. pigment
C. 86400
D. Haggard skin
E. marine
F. Bones
G. Early Morning
H. Fish Smell

Answer: F

Ancestors of hagfish are thought to have the earliest bones.

Ancestors of hagfish are thought to have had the earliest what? (A) Growth (B) pigment (C) 86400 (D) Haggard skin (E) marine (F) Bones (G) Early Morning (H) Fish Smell


Ancestors of hagfish are thought to have been the earliest creatures with what?

Choices:
A. pigment
B. bones
C. keratin
D. life
E. shells
F. size
G. wings
H. arms

Answer: B

Ancestors of hagfish are thought to have been the earliest creatures with bones

Ancestors of hagfish are thought to have been the earliest creatures with what? (A) pigment (B) bones (C) keratin (D) life (E) shells (F) size (G) wings (H) arms


Ancestors of hagfish are thought to have been the earliest

Choices:
A. filter feeders
B. unicellular organisms
C. carrying offspring to birth
D. animals with backbone
E. last stage before adulthood
F. prokaryotic cells
G. To survive in their environment
H. inherited antigens + antibody

Answer: D

Ancestors of hagfish are thought to have been the earliest animals with backbones.

Ancestors of hagfish are thought to have been the earliest (A) filter feeders (B) unicellular organisms (C) carrying offspring to birth (D) animals with backbone (E) last stage before adulthood (F) prokaryotic cells (G) To survive in their environment (H) inherited antigens + antibody


Ancestors of hagfish are thought to have been the earliest what?

Choices:
A. Extensive bone growth
B. unicellular organisms
C. humans
D. last stage before adulthood
E. animals with backbones
F. dinosaurs
G. bacteria
H. To survive in their environment

Answer: E

Ancestors of hagfish are thought to have been the earliest what? (A) Extensive bone growth (B) unicellular organisms (C) humans (D) last stage before adulthood (E) animals with backbones (F) dinosaurs (G) bacteria (H) To survive in their environment


Forefathers of what kind of fish are thought to be the earliest vertebrates?

Choices:
A. hagfish
B. Pelycosaur
C. fish
D. angiosperm
E. adult
F. Therapsids
G. marine
H. aquatic

Answer: A

Property of ancestors and forefathers can only be legally inherited by sons.

The forefathers of hagfish are thought to have been the earliest vertebrates.

Forefathers of what kind of fish are thought to be the earliest vertebrates? (A) hagfish (B) Pelycosaur (C) fish (D) angiosperm (E) adult (F) Therapsids (G) marine (H) aquatic


Ancestors of a jawless fish which is parasitic are thought to have been the earliest what

Choices:
A. moving over land
B. changes in size
C. aquatic
D. reptile
E. several
F. chondrocytes
G. vertebrates
H. eukaryotic cells

Answer: G

Hagfishes are a type of jawless fish which are the only parasitic vertebrates.

Ancestors of a type of jawless fish which is parasitic are thought to have been the earliest vertebrates

Ancestors of a jawless fish which is parasitic are thought to have been the earliest what (A) moving over land (B) changes in size (C) aquatic (D) reptile (E) several (F) chondrocytes (G) vertebrates (H) eukaryotic cells


Choices:
A. tiny hairs
B. A backbone
C. hairs
D. a hosta
E. angiosperm
F. tooth enamel
G. some anthozoans
H. Vibrissae

Answer: B

If animals have backbones, they are called a Vertebrate.

What do hagfish have? (A) tiny hairs (B) A backbone (C) hairs (D) a hosta (E) angiosperm (F) tooth enamel (G) some anthozoans (H) Vibrissae


What do most fish not have to deal with?

Choices:
A. hardened backbone
B. death
C. Exposure to oxygen and water
D. vertebrae or backbone
E. disasters
F. Extremes of temperature
G. krill and plankton
H. predators

Answer: F

Most aquatic organisms do not have to deal with extremes of temperature or moisture.

Fish Fish are the ultimate aquatic organism.

most fish do not have to deal with extremes of temperature or moisture

What do most fish not have to deal with? (A) hardened backbone (B) death (C) Exposure to oxygen and water (D) vertebrae or backbone (E) disasters (F) Extremes of temperature (G) krill and plankton (H) predators


What generally don't have to deal with extremes of temperature or moisture?

Choices:
A. Sponge
B. ferns
C. penguins
D. polar bears
E. fish
F. snails
G. cilia
H. fat

Answer: E

Most fish do not have to deal with extremes of temperature or moisture.

What generally don't have to deal with extremes of temperature or moisture? (A) Sponge (B) ferns (C) penguins (D) polar bears (E) fish (F) snails (G) cilia (H) fat


Most what do not have to deal with extremes of temperature or moisture?

Choices:
A. cilia
B. fish
C. snails
D. marine
E. humans
F. camels
G. ferns
H. lizards

Answer: B

Effects on Aquatic Organisms Triallate is highly toxic to fish and other aquatic organisms.

Most what do not have to deal with extremes of temperature or moisture? (A) cilia (B) fish (C) snails (D) marine (E) humans (F) camels (G) ferns (H) lizards


Most aquatic organisms do not have to do what?

Choices:
A. Dangerous things
B. precipitation
C. rapid changes occur
D. swim underwater
E. moisturize their skin
F. change an ecosystem
G. live in moisture
H. eat food

Answer: E

Moisturizing Secondly, moisturizing the skin is extremely important.

Most aquatic organisms do not have to moisturize their skin

Most aquatic organisms do not have to do what? (A) Dangerous things (B) precipitation (C) rapid changes occur (D) swim underwater (E) moisturize their skin (F) change an ecosystem (G) live in moisture (H) eat food


What do most fish not have to deal with?

Choices:
A. negative feedback
B. feedback mechanisms
C. Exposure to oxygen and water
D. the environment
E. Temperature extremes
F. protein foreign to the body.
G. antigens that cause allergy
H. Warmer temperatures

Answer: E

Fish and other aquatic creatures are no exception.

most fish do not have to deal with temperature or moisture extremes

What do most fish not have to deal with? (A) negative feedback (B) feedback mechanisms (C) Exposure to oxygen and water (D) the environment (E) Temperature extremes (F) protein foreign to the body. (G) antigens that cause allergy (H) Warmer temperatures


Most what o not have to deal with extremes of temperature or moisture?

Choices:
A. boys
B. snails
C. cilia
D. ferns
E. apples
F. cells
G. fish
H. fat

Answer: G

Most fish do not have to deal with extremes of temperature or moisture

Most what o not have to deal with extremes of temperature or moisture? (A) boys (B) snails (C) cilia (D) ferns (E) apples (F) cells (G) fish (H) fat


Most _ do not have to deal with extremes of temperature or moisture.

Choices:
A. matter
B. move
C. snails
D. tissue
E. weater
F. winter
G. fish
H. life

Answer: G

Most _ do not have to deal with extremes of temperature or moisture. (A) matter (B) move (C) snails (D) tissue (E) weater (F) winter (G) fish (H) life


What does not have to deal with extremes of temperature or moisture?

Choices:
A. humans
B. paramecium
C. angiosperm
D. ecosystems
E. reptile
F. lizards
G. male gametes
H. most fish

Answer: H

What does not have to deal with extremes of temperature or moisture? (A) humans (B) paramecium (C) angiosperm (D) ecosystems (E) reptile (F) lizards (G) male gametes (H) most fish


What kind of creatures don't usually have to deal with extreme temperatures or wetness?

Choices:
A. ecosystems
B. one-celled animals
C. unicellular organisms
D. dandelions
E. close relatives of coral
F. angiosperm
G. alligators
H. aquatic organisms

Answer: H

Wetting provides moisture to make brine.

Most aquatic organisms do not have to deal with extremes of temperature or wetness.

What kind of creatures don't usually have to deal with extreme temperatures or wetness? (A) ecosystems (B) one-celled animals (C) unicellular organisms (D) dandelions (E) close relatives of coral (F) angiosperm (G) alligators (H) aquatic organisms


When iron oxidizes, that metal becomes orange where?

Choices:
A. indoors
B. road bends
C. Elemental
D. a producer
E. outdoors
F. surface
G. warmer air
H. inside

Answer: F

When iron oxidizes, that metal becomes orange on the surface.

when a metal rusts , that metal becomes orange on the surface

When iron oxidizes, that metal becomes orange where? (A) indoors (B) road bends (C) Elemental (D) a producer (E) outdoors (F) surface (G) warmer air (H) inside


What can cause metal to become orange on the surface?

Choices:
A. vibration
B. friction
C. Moisture
D. cars
E. Chrome
F. magnesium
G. Dry conditions
H. Mineral oil

Answer: C

Moisture can cause metal to become orange on the surface.

Moisture can damage metal causing rusting and corrosion.

What can cause metal to become orange on the surface? (A) vibration (B) friction (C) Moisture (D) cars (E) Chrome (F) magnesium (G) Dry conditions (H) Mineral oil


Choices:
A. Exposure to nitrogen
B. higher ultraviolet  radiation
C. thermal expansion
D. Exposure to hydrochloric acid
E. antigens that cause allergy
F. a surface not sterilized
G. Exposure to helium and carbon
H. Exposure to oxygen and water

Answer: H

oxygen and water will cause metal to turn orange

Iron rusts in the presence of oxygen and water.

What will cause metal to turn orange? (A) Exposure to nitrogen (B) higher ultraviolet  radiation (C) thermal expansion (D) Exposure to hydrochloric acid (E) antigens that cause allergy (F) a surface not sterilized (G) Exposure to helium and carbon (H) Exposure to oxygen and water


metal becomes orange on the surface as a result of

Choices:
A. magnetism
B. friction
C. treatment
D. heating
E. Car accidents
F. oxidation
G. air pollution
H. condesation

Answer: F

metal becomes orange on the surface as a  result of oxidation.

Rust stains are the result of oxidation.

metal becomes orange on the surface as a result of (A) magnetism (B) friction (C) treatment (D) heating (E) Car accidents (F) oxidation (G) air pollution (H) condesation


Choices:
A. orange
B. damaging
C. solid
D. erosion
E. smooth
F. nectarine
G. mineral
H. Unsafe

Answer: A

Moisture can turn metal orange on the surface

Moisture can turn metal what color (A) orange (B) damaging (C) solid (D) erosion (E) smooth (F) nectarine (G) mineral (H) Unsafe


What happens on the surface when iron rusts?

Choices:
A. it becomes orange
B. it grows
C. Extremes of temperature
D. gas spreads in the air
E. it flies
F. destruction
G. 295 degrees Kelvin
H. it explodes

Answer: A

when iron rusts , iron becomes orange on the surface

What happens on the surface when iron rusts? (A) it becomes orange (B) it grows (C) Extremes of temperature (D) gas spreads in the air (E) it flies (F) destruction (G) 295 degrees Kelvin (H) it explodes


what causes metal to be orange on the surface?

Choices:
A. melanin content
B. gold
C. antigens
D. air pollution
E. electrons
F. conductors
G. melanin amount
H. iron oxide

Answer: H

when a metal contains iron oxide, it becomes orange on the surface

what causes metal to be orange on the surface? (A) melanin content (B) gold (C) antigens (D) air pollution (E) electrons (F) conductors (G) melanin amount (H) iron oxide


Exposure to oxygen and water can cause iron to

Choices:
A. decrease strength
B. melt
C. uncontrollable burning
D. thermal expansion
E. turn orange on the surface
F. vibrate
G. Extremes of temperature
H. levitate

Answer: E

In the presence of oxygen and water, iron will become orange on the surface

Exposure to oxygen and water can cause iron to  (A) decrease strength (B) melt (C) uncontrollable burning (D) thermal expansion (E) turn orange on the surface (F) vibrate (G) Extremes of temperature (H) levitate


Choices:
A. pigmentation
B. heating
C. tubular organ
D. antigens
E. chondrocytes
F. radiation
G. oxidation
H. several genes

Answer: G

what makes metal orange? (A) pigmentation (B) heating (C) tubular organ (D) antigens (E) chondrocytes (F) radiation (G) oxidation (H) several genes


When iron rusts, it becomes what on the surface?

Choices:
A. osculum
B. a metal
C. black
D. pink
E. Elemental
F. invisible
G. hued
H. orange

Answer: H

when iron rusts it becomes orange on the surface

When iron rusts, it becomes what on the surface? (A) osculum (B) a metal (C) black (D) pink (E) Elemental (F) invisible (G) hued (H) orange


Choices:
A. blue
B. Mohs
C. Unsafe
D. solid
E. orange
F. damaging
G. rainbow
H. pink

Answer: E

When steel rusts it becomes (A) blue (B) Mohs (C) Unsafe (D) solid (E) orange (F) damaging (G) rainbow (H) pink


Cast-iron and steel surfaces are susceptible to becoming what on the surface?

Choices:
A. hardness
B. solid
C. irritants
D. acids
E. orange
F. heat
G. Unsafe
H. damaging

Answer: E

Cast-iron and steel surfaces are susceptible to corrosion in the form of rust.

Cast-iron and steel surfaces are susceptible to becoming orange on the surface

Cast-iron and steel surfaces are susceptible to becoming what on the surface? (A) hardness (B) solid (C) irritants (D) acids (E) orange (F) heat (G) Unsafe (H) damaging


What color may jewelry become when it rusts?

Choices:
A. weater
B. a metal
C. Unsafe
D. polygenic
E. lamphreys
F. orange
G. damaging
H. solid

Answer: F

Yin metal is small metal, jewelery metal and decorative metal.

When jewelry rusts it may become orange on the surface.

What color may jewelry become when it rusts? (A) weater (B) a metal (C) Unsafe (D) polygenic (E) lamphreys (F) orange (G) damaging (H) solid


What causes metal surface to become orange?

Choices:
A. storms
B. heat
C. fires
D. wind
E. antigen
F. pigment
G. water
H. light

Answer: G

Water cause parts to rust, and even a very small amount of rust can damage injectors.

water causes metal surface to become orange

What causes metal surface to become orange? (A) storms (B) heat (C) fires (D) wind (E) antigen (F) pigment (G) water (H) light


What happens when sonic waves make eardrums vibrate?

Choices:
A. shaking
B. it increases
C. cancer
D. the rate of travel
E. one can sleep
F. one goes deaf
G. One can hear
H. intensity

Answer: G

when sound reaches the ear , that sound can be heard

Sound waves cause the eardrum to vibrate.

One can hear when sonic waves cause the eardrum to vibrate.

What happens when sonic waves make eardrums vibrate? (A) shaking (B) it increases (C) cancer (D) the rate of travel (E) one can sleep (F) one goes deaf (G) One can hear (H) intensity


What is processed when it reaches the brain?

Choices:
A. microwaves
B. food
C. antigen
D. noise
E. RNA
F. radiation
G. xrays
H. insulin

Answer: D

Nevertheless, the sharpest sounds are perceived in the brain.

noise is processed when it reaches the brain

What is processed when it reaches the brain? (A) microwaves (B) food (C) antigen (D) noise (E) RNA (F) radiation (G) xrays (H) insulin


Choices:
A. vision
B. movement
C. babies
D. assess visually
E. protection
F. to hear
G. howling
H. taste food

Answer: F

For sound, the sense of hearing is used.

What are ears used for? (A) vision (B) movement (C) babies (D) assess visually (E) protection (F) to hear (G) howling (H) taste food


What does your ear drum do when it hears something?

Choices:
A. Expands
B. Nothing
C. feedback
D. it increases
E. Echos
F. Vibrates
G. weater
H. move

Answer: F

When a wave reaches your ear, your ear drum vibrates and you can hear it

What does your ear drum do when it hears something? (A) Expands (B) Nothing (C) feedback (D) it increases (E) Echos (F) Vibrates (G) weater (H) move


Choices:
A. sound vibrations
B. when the music reaches the eye
C. when the ear is not working
D. when the music reaches the ear
E. reverberating noise
F. when the music dies
G. 70-75 degrees Fahrenheit
H. speed at which sound moves

Answer: D

when music reaches the ear that music can be heard

When can music be heard? (A) sound vibrations (B) when the music reaches the eye (C) when the ear is not working (D) when the music reaches the ear (E) reverberating noise (F) when the music dies (G) 70-75 degrees Fahrenheit (H) speed at which sound moves


what can be heard when it reaches the ear?

Choices:
A. h2o
B. music
C. fluid
D. hail
E. earlobes
F. nectar
G. fumes
H. gamma rays

Answer: B

when music reaches the ear, it can be heard

what can be heard when it reaches the ear? (A) h2o (B) music (C) fluid (D) hail (E) earlobes (F) nectar (G) fumes (H) gamma rays


When vibrations reach the ear, what can be heard?

Choices:
A. insects
B. silence
C. shaking
D. danger
E. loneliness
F. Yes
G. quiet
H. music

Answer: H

Music is basically sound produced by vibrations.

When vibrations reach the ear, music can be heard.

When vibrations reach the ear, what can be heard? (A) insects (B) silence (C) shaking (D) danger (E) loneliness (F) Yes (G) quiet (H) music


What are the vibrations in the ear called?

Choices:
A. intensity
B. very complex
C. melanin content
D. lamphreys
E. Otoacoustic
F. weater
G. Seisometers
H. trucks and cars

Answer: E

Otoacoustic emissions are sounds the ear generates.

The vibrations that reach the ear to make noise are Otoacoustic

What are the vibrations in the ear called? (A) intensity (B) very complex (C) melanin content (D) lamphreys (E) Otoacoustic (F) weater (G) Seisometers (H) trucks and cars


What can be heard when it reaches our ears?

Choices:
A. feedback
B. vibrations
C. very complex
D. animals
E. amount of heat
F. movement
G. air pollution
H. Pacific

Answer: B

When the vibrations reach our ears, they are changed into sounds.

When vibrations reach our ears, they can be heard.

What can be heard when it reaches our ears? (A) feedback (B) vibrations (C) very complex (D) animals (E) amount of heat (F) movement (G) air pollution (H) Pacific


Placing a mineral on the Mohs scale requires

Choices:
A. strength
B. magnesium
C. as a base
D. transportation
E. scratching it
F. classified
G. periodic table
H. photographing it

Answer: E

measuring the hardness of minerals requires scratching those materials

For ranking the hardness of minerals, the Mohs scale is generally used.

Scratching a mineral  allows one to determine the ranking on the Mohs scale

Placing a mineral on the Mohs scale requires  (A) strength (B) magnesium (C) as a base (D) transportation (E) scratching it (F) classified (G) periodic table (H) photographing it


How can you measure the hardness of a gem stone?

Choices:
A. melanin amount
B. classified
C. inches
D. Weigh it on a scale
E. Scratch it
F. Trigonometry
G. Break it open
H. Leave it in the sun

Answer: E

You can measure the hardness of a gem stone by scratching it

How can you measure the hardness of a gem stone? (A) melanin amount (B) classified (C) inches (D) Weigh it on a scale (E) Scratch it (F) Trigonometry (G) Break it open (H) Leave it in the sun


Choices:
A. wash them
B. Phylogeny
C. bury them
D. scratch them
E. treatment
F. Cladistics
G. periodic table
H. throw them

Answer: D

Minerals are classified by their hardness.

Classifying minerals requires scratching those materials.

What must be done to classify minerals? (A) wash them (B) Phylogeny (C) bury them (D) scratch them (E) treatment (F) Cladistics (G) periodic table (H) throw them


Choices:
A. stoma
B. bone
C. yardsticks
D. diamonds
E. rulers
F. distance
G. hairs
H. measuring tape

Answer: D

Diamonds are so hard because of the shape of a diamond's structure.

measuring diamonds requires scratching them

What can you scratch to measure? (A) stoma (B) bone (C) yardsticks (D) diamonds (E) rulers (F) distance (G) hairs (H) measuring tape


what needs to be scratched to measure hardness?

Choices:
A. nails
B. stoma
C. air
D. h2o
E. oaks
F. poles
G. weater
H. gems

Answer: H

measuring gem hardness requires scratching them

what needs to be scratched to measure hardness? (A) nails (B) stoma (C) air (D) h2o (E) oaks (F) poles (G) weater (H) gems


A mineral is scratched in order to rank it on what scale?

Choices:
A. stoma
B. properties
C. Mohs
D. attributes
E. eight
F. bone
G. scratch
H. weater

Answer: C

To rank a mineral on the Mohs scale, one must scratch it.

A mineral is scratched in order to rank it on what scale? (A) stoma (B) properties (C) Mohs (D) attributes (E) eight (F) bone (G) scratch (H) weater


Measuring the hardness of calcite requires what?

Choices:
A. melting those materials
B. hardened backbone
C. amount of heat
D. 70-75 degrees Fahrenheit
E. cutting those materials
F. scratching yourself
G. thermal expansion
H. scratching those materials

Answer: H

Measuring the hardness of calcite requires scratching those materials

Measuring the hardness of calcite requires what? (A) melting those materials (B) hardened backbone (C) amount of heat (D) 70-75 degrees Fahrenheit (E) cutting those materials (F) scratching yourself (G) thermal expansion (H) scratching those materials


What is required to measure the hardness of a pearl?

Choices:
A. lamphreys
B. Playing with it
C. Scratching it
D. keratin
E. melanin content
F. potassium
G. magnesium
H. Helping it

Answer: C

Carbonate minerals, such as malachite, pearl, and rhodochrosite, are damaged by chemical attack.

measuring the hardness of a pearl requires scratching it

What is required to measure the hardness of a pearl? (A) lamphreys (B) Playing with it (C) Scratching it (D) keratin (E) melanin content (F) potassium (G) magnesium (H) Helping it


Measuring the what of minerals requires chipping those materials?

Choices:
A. deposits
B. potassium
C. size
D. weight
E. hardness
F. shape
G. key element
H. strength

Answer: E

Although a diamond is the hardest substance known to man, it can be chipped or scratched.

measuring the hardness of minerals requires chipping those materials

Measuring the what of minerals requires chipping those materials? (A) deposits (B) potassium (C) size (D) weight (E) hardness (F) shape (G) key element (H) strength


What is necessary to measure the hardness of materials?

Choices:
A. treatment
B. tapping
C. rubbing
D. tasting
E. lamphreys
F. scratching
G. strength
H. potassium

Answer: F

To measure the hardness of materials, scratching those materials is necessary.

What is necessary to measure the hardness of materials? (A) treatment (B) tapping (C) rubbing (D) tasting (E) lamphreys (F) scratching (G) strength (H) potassium


Measuring hardness of minerals requires a harder what?

Choices:
A. calcium
B. as a base
C. cartilage
D. mineral
E. stoma
F. osculum
G. the same
H. weater

Answer: D

Harder minerals can scratch softer minerals.

Measuring hardness of minerals requires a harder mineral.

Measuring hardness of minerals requires a harder what? (A) calcium (B) as a base (C) cartilage (D) mineral (E) stoma (F) osculum (G) the same (H) weater


How can you get a measurement on the Moh's scale?

Choices:
A. strength
B. distance
C. Scratching
D. hair growth
E. Cladistics
F. inches
G. changes in size
H. miles per hour

Answer: C

Moh's scale is used to describe a mineral's hardness.

Getting a measurement on the Moh's scale requires scratching

How can you get a measurement on the Moh's scale? (A) strength (B) distance (C) Scratching (D) hair growth (E) Cladistics (F) inches (G) changes in size (H) miles per hour


measuring the hardness of minerals requires doing what to them?

Choices:
A. Trigonometry
B. cartilage
C. feedback
D. Cladistics
E. osculum
F. damaging
G. surface
H. treatment

Answer: F

measuring the hardness of minerals requires damaging them

measuring the hardness of minerals requires doing what to them? (A) Trigonometry (B) cartilage (C) feedback (D) Cladistics (E) osculum (F) damaging (G) surface (H) treatment


What is done to a mineral to determine its place on the Moh's scale?

Choices:
A. scratch
B. keratin
C. Laboratory
D. classified
E. treatment
F. surveyor
G. percents
H. as a base

Answer: A

Scratching a mineral is required to determine its place on Moh's scale

What is done to a mineral to determine its place on the Moh's scale? (A) scratch (B) keratin (C) Laboratory (D) classified (E) treatment (F) surveyor (G) percents (H) as a base


the Moh's scale of hardness is used by doing what to the materials

Choices:
A. heating
B. tool extensions
C. protection
D. classified
E. scratching
F. as a base
G. how they move
H. Cladistics

Answer: E

To figure out the hardness of a mineral, the Moh's scale of hardness is used.

the Moh's scale of hardness is used by scratching the materials

the Moh's scale of hardness is used by doing what to the materials (A) heating (B) tool extensions (C) protection (D) classified (E) scratching (F) as a base (G) how they move (H) Cladistics


What are used to take infrared pictures from space?

Choices:
A. cameras
B. Chemicals
C. waves
D. light
E. weater
F. microscopes
G. telescopes
H. satellites

Answer: H

satellites are used to take images from space

Images include satellite and infrared pictures.

Satellites are used to take infrared pictures from space.

What are used to take infrared pictures from space? (A) cameras (B) Chemicals (C) waves (D) light (E) weater (F) microscopes (G) telescopes (H) satellites


Which of the following is a source of key meteorological data for forecasting

Choices:
A. precipitation
B. asteroids
C. Communication
D. the Hubble telescope
E. parkas
F. satellites
G. seasonal
H. melanin amount

Answer: F

Meteorologists employ images from satellites to help forecast the weather.

Satellites can help forecast the weather

Which of the following is a source of key meteorological data for forecasting (A) precipitation (B) asteroids (C) Communication (D) the Hubble telescope (E) parkas (F) satellites (G) seasonal (H) melanin amount


Choices:
A. satellites
B. light
C. Communication
D. millions
E. radar
F. Plate tectonics
G. moving plates
H. lamphreys

Answer: A

satellites are used to take images of Earth

Images of Earth are taken by (A) satellites (B) light (C) Communication (D) millions (E) radar (F) Plate tectonics (G) moving plates (H) lamphreys


What can give a global perspective on the ozone hole?

Choices:
A. 70-75 degrees Fahrenheit
B. Imagery from space
C. Light shining into it
D. weather vane
E. collision of crustal plates
F. a surface not sterilized
G. sunglasses
H. feedback mechanisms

Answer: B

Satellite imagery gives a global perspective on the ozone hole.

Images from space are used to study the ozone hole

What can give a global perspective on the ozone hole? (A) 70-75 degrees Fahrenheit (B) Imagery from space (C) Light shining into it (D) weather vane (E) collision of crustal plates (F) a surface not sterilized (G) sunglasses (H) feedback mechanisms


Choices:
A. safe operation
B. raise lizards
C. Transporting humans
D. breed dogs
E. take photos from space
F. harvest asteroids
G. capture prey
H. help other species benefit

Answer: E

satellites are used to take photos from space

What can satellites do? (A) safe operation (B) raise lizards (C) Transporting humans (D) breed dogs (E) take photos from space (F) harvest asteroids (G) capture prey (H) help other species benefit


what are satellites used to take pictures of?

Choices:
A. people
B. Earth
C. animals
D. humans
E. underground
F. small animals
G. trees
H. cell phones

Answer: B

satellites are used to take pictures of Earth from space

what are satellites used to take pictures of? (A) people (B) Earth (C) animals (D) humans (E) underground (F) small animals (G) trees (H) cell phones


Choices:
A. Chemicals
B. feedback
C. specialized
D. several
E. visibility
F. Communication
G. backbones
H. satellites

Answer: H

Meteorologists rely on weather images from space.

Meteorologists rely on satellites for data.

What is a tool that meteorologists use? (A) Chemicals (B) feedback (C) specialized (D) several (E) visibility (F) Communication (G) backbones (H) satellites


Satellites are used to take what from space?

Choices:
A. rapid changes occur
B. snow, ice, and rock
C. trees and flowers
D. painters
E. occurs over a wide range
F. digital photographs
G. digital files
H. photographers

Answer: F

Satellite images are digital photographs.

Satellites are used to take digital photographs from space.

Satellites are used to take what from space? (A) rapid changes occur (B) snow, ice, and rock (C) trees and flowers (D) painters (E) occurs over a wide range (F) digital photographs (G) digital files (H) photographers


What helps prevent injuries to children in cars?

Choices:
A. seat belts
B. melanin content
C. magnesium
D. melanin amount
E. Radio
F. legroom
G. roof storage
H. Chemicals

Answer: A

seat belts are used for preventing injuries to passengers in cars

What helps prevent injuries to children in cars? (A) seat belts (B) melanin content (C) magnesium (D) melanin amount (E) Radio (F) legroom (G) roof storage (H) Chemicals


Preventing injuries to passengers in cars does what?

Choices:
A. results in boredom
B. head trauma
C. homeostasis
D. Unsafe
E. Pasteurization
F. saves lives
G. ejections from the car
H. Slows down

Answer: F

Preventing injuries to passengers in cars saves lives.

Preventing injuries to passengers in cars does what? (A) results in boredom (B) head trauma (C) homeostasis (D) Unsafe (E) Pasteurization (F) saves lives (G) ejections from the car (H) Slows down


Choices:
A. hormones
B. Backseat driving
C. Seat belts
D. homeostasis
E. melanin content
F. Distracted driving
G. antibodies
H. Careless driving

Answer: C

Car accidents are a leading cause of death for children today.

What can help prevent death? (A) hormones (B) Backseat driving (C) Seat belts (D) homeostasis (E) melanin content (F) Distracted driving (G) antibodies (H) Careless driving


Seat belts are used for what in during crashes for passengers?

Choices:
A. filing lawsuits
B. creating injuries
C. medical reasons
D. safe driving
E. getting arrested
F. safe operation
G. avoiding injuries
H. how they move

Answer: G

Many injuries in crashes are caused by unbelted passengers colliding with other people in the car.

Seat belts are used for avoiding injuries in crashes for passengers

Seat belts are used for what in during crashes for passengers? (A) filing lawsuits (B) creating injuries (C) medical reasons (D) safe driving (E) getting arrested (F) safe operation (G) avoiding injuries (H) how they move


Choices:
A. destroy
B. change an ecosystem
C. safe driving
D. protect passengers
E. only discomfort people
F. hurt people
G. oxygen spreads into the air
H. safe operation

Answer: D

Seat belts and helmets protect passengers

What do seat belts and helmets do? (A) destroy (B) change an ecosystem (C) safe driving (D) protect passengers (E) only discomfort people (F) hurt people (G) oxygen spreads into the air (H) safe operation


Choices:
A. horse accident
B. motorcycle accident
C. Being over land
D. car accident
E. 295 degrees Kelvin
F. visibility
G. winter
H. a cold environment

Answer: D

Seat belts are important in the case of an accident.

When does a seatbelt come in handy? (A) horse accident (B) motorcycle accident (C) Being over land (D) car accident (E) 295 degrees Kelvin (F) visibility (G) winter (H) a cold environment


Choices:
A. Injure them
B. Make them secure
C. clog airways
D. Unsafe
E. dehydration
F. Car accidents
G. Show them the way
H. Make cars better

Answer: A

Seat Belts Seat belts provide primary protection in all types of crashes.

What can car crashes do to passengers? (A) Injure them (B) Make them secure (C) clog airways (D) Unsafe (E) dehydration (F) Car accidents (G) Show them the way (H) Make cars better


Choices:
A. clog airways
B. passengers
C. damaging
D. whiplash
E. dehydration
F. vibration
G. driving
H. allergen

Answer: D

Whiplash injuries are soft tissue injuries.

Seat belts can prevent whiplash in cars.

What can seat belts help avoid? (A) clog airways (B) passengers (C) damaging (D) whiplash (E) dehydration (F) vibration (G) driving (H) allergen


What are used for preventing injuries to passengers in vehicles?

Choices:
A. vorticella
B. Pasteurization
C. lamphreys
D. rims
E. seat belts
F. specialized
G. horses
H. neurones

Answer: E

Cars are vehicles and trucks are vehicles.

seat belts are used for preventing injuries to passengers in vehicles

What are used for preventing injuries to passengers in vehicles? (A) vorticella (B) Pasteurization (C) lamphreys (D) rims (E) seat belts (F) specialized (G) horses (H) neurones


While swerving, what can help prevent injuries?

Choices:
A. oncoming traffic
B. seatbelts
C. popped tire
D. strength
E. safe driving
F. vorticella
G. friction
H. deer crossing

Answer: B

Injuries to drivers and passengers increase when the vehicle swerves.

Seatbelts can prevent injuries while swerving.

While swerving, what can help prevent injuries? (A) oncoming traffic (B) seatbelts (C) popped tire (D) strength (E) safe driving (F) vorticella (G) friction (H) deer crossing


What do Waldron buckles with lead in cars do?

Choices:
A. decrease strength
B. damaging
C. how they move
D. change an ecosystem
E. Prevent injuries
F. safe driving
G. safe operation
H. negative feedback

Answer: E

Waldron buckles with lead foil made up the seat belts.

Waldron buckles with lead are used to prevent injuries to passengers in cars

What do Waldron buckles with lead in cars do? (A) decrease strength (B) damaging (C) how they move (D) change an ecosystem (E) Prevent injuries (F) safe driving (G) safe operation (H) negative feedback


What does a wildfire change drastically?

Choices:
A. rapid changes occur
B. unicellular organisms
C. Fire
D. Rocks
E. A neighborhood in nature.
F. occurs over a wide range
G. Change
H. single cell microorganisms

Answer: E

a wildfire changes an ecosystem drastically

An ecosystem is like a neighborhood in nature.

A wildfire changes a neighborhood in nature drastically.

What does a wildfire change drastically?  (A) rapid changes occur (B) unicellular organisms (C) Fire (D) Rocks (E) A neighborhood in nature. (F) occurs over a wide range (G) Change (H) single cell microorganisms


Choices:
A. bears
B. roaches
C. lions
D. sponges
E. humans
F. lynx
G. jellyfish
H. animals

Answer: E

humans can change ecosystems drastically

who can change ecosystems drastically? (A) bears (B) roaches (C) lions (D) sponges (E) humans (F) lynx (G) jellyfish (H) animals


Choices:
A. small breezes
B. movement
C. wildfire
D. it increases
E. feedback
F. light rain
G. homeostasis
H. road bends

Answer: C

Fire is a natural part forest ecosystems.

What changes forests? (A) small breezes (B) movement (C) wildfire (D) it increases (E) feedback (F) light rain (G) homeostasis (H) road bends


What would change a community of species in a specific area drastically.

Choices:
A. counterop
B. stagnancy
C. light breeze
D. Cladistics
E. wildfire
F. observation
G. feedback
H. lamphreys

Answer: E

An ecosystem is a community of species in a specific area.

A wildfire changes a community of species in a specific area drastically.

What would change a community of species in a specific area drastically. (A) counterop (B) stagnancy (C) light breeze (D) Cladistics (E) wildfire (F) observation (G) feedback (H) lamphreys


What is a force that changes an ecosystem drastically?

Choices:
A. lynx
B. weather
C. clay
D. movement
E. damaging
F. puberty
G. feedback
H. sound

Answer: B

Weather and wildfire are two of the forces that act within ecosystems.

Weather is a force that changes an ecosystem drastically

What is a force that changes an ecosystem drastically? (A) lynx (B) weather (C) clay (D) movement (E) damaging (F) puberty (G) feedback (H) sound


Choices:
A. coliform
B. negative feedback
C. road bends
D. draining
E. erosion
F. moving over land
G. a forest fire
H. Thunderstorms

Answer: G

what can change an ecosystem? (A) coliform (B) negative feedback (C) road bends (D) draining (E) erosion (F) moving over land (G) a forest fire (H) Thunderstorms


Choices:
A. rarely
B. changes in size
C. homeostasis
D. only in the past
E. very complex
F. little
G. the environment
H. drastically

Answer: H

Very large ecosystems are known as biomes .

Wildfire changes a biome how? (A) rarely (B) changes in size (C) homeostasis (D) only in the past (E) very complex (F) little (G) the environment (H) drastically


Choices:
A. light snow
B. erosion
C. destruction
D. wildfire
E. birds
F. fires
G. oak tree
H. rain

Answer: D

Forest ecosystems are dynamic and ever changing.

What can change a forest drastically? (A) light snow (B) erosion (C) destruction (D) wildfire (E) birds (F) fires (G) oak tree (H) rain


Choices:
A. danger
B. ecosystems
C. movement
D. water
E. destruction
F. road bends
G. fire
H. thunder

Answer: B

Forest fires change an ecosystem drastically

Forest fires change what drastically? (A) danger (B) ecosystems (C) movement (D) water (E) destruction (F) road bends (G) fire (H) thunder


Choices:
A. 70-75 degrees Fahrenheit
B. moving over land
C. rapid changes occur
D. occurs over a wide range
E. a surface not sterilized
F. feedback mechanisms
G. changes in size
H. uncontrollable burning

Answer: H

Wildfires burn uncontrollably across Mexico, destroying rare plants and animals.

uncontrollable burning changes an ecosystem drastically

what changes an ecosystem drastically? (A) 70-75 degrees Fahrenheit (B) moving over land (C) rapid changes occur (D) occurs over a wide range (E) a surface not sterilized (F) feedback mechanisms (G) changes in size (H) uncontrollable burning


What often can drastically change a biome?

Choices:
A. wildfire
B. destruction
C. infection
D. winter
E. movement
F. malaria
G. sea anemones
H. the Arctic

Answer: A

A wildfire can drastically change a biome.

What often can drastically change a biome? (A) wildfire (B) destruction (C) infection (D) winter (E) movement (F) malaria (G) sea anemones (H) the Arctic


The West experiences drastic changes to its what

Choices:
A. interior
B. backbones
C. homeostasis
D. tissue
E. moving plates
F. communication
G. ecosystem
H. Phylogeny

Answer: G

The West experiences drastic changes to its ecosystem

The West experiences drastic changes to its what (A) interior (B) backbones (C) homeostasis (D) tissue (E) moving plates (F) communication (G) ecosystem (H) Phylogeny


When people look around everyday, they require what?

Choices:
A. heat
B. paranoia
C. pigment
D. music
E. light
F. hue
G. water
H. friends

Answer: E

When people look around everyday, they require light.

When people look around everyday, they see color.

When people look around everyday, they require what? (A) heat (B) paranoia (C) pigment (D) music (E) light (F) hue (G) water (H) friends


Choices:
A. taste
B. vision
C. SI units
D. movement
E. cilia
F. distal
G. Watch
H. Type O

Answer: B

What is the same as seeing? (A) taste (B) vision (C) SI units (D) movement (E) cilia (F) distal (G) Watch (H) Type O


Choices:
A. Protein
B. sand
C. wind
D. hairs
E. antigen
F. light
G. cilia
H. enzymes

Answer: F

Light is simply the one form of radiation our eyes can see.

What do eyes require? (A) Protein (B) sand (C) wind (D) hairs (E) antigen (F) light (G) cilia (H) enzymes


Choices:
A. a form of oxygen
B. Light shining into it
C. Exposure to oxygen and water
D. A dark environment
E. Contact lenses
F. melanin amount
G. tissue made of chondrocytes
H. Glasses

Answer: B

Sight is the mere ability to see, and the eye's responses to light shining into it.

What do eyes require? (A) a form of oxygen (B) Light shining into it (C) Exposure to oxygen and water (D) A dark environment (E) Contact lenses (F) melanin amount (G) tissue made of chondrocytes (H) Glasses


Choices:
A. bats
B. rocks
C. orange
D. homes
E. eyes
F. lynx
G. cats
H. deep-sea dwellers

Answer: E

What requires light? (A) bats (B) rocks (C) orange (D) homes (E) eyes (F) lynx (G) cats (H) deep-sea dwellers


Choices:
A. light
B. goggles
C. food
D. smell
E. hormones
F. Protein
G. color
H. hue

Answer: A

What is required for vision? (A) light (B) goggles (C) food (D) smell (E) hormones (F) Protein (G) color (H) hue