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[
{
"id": "8-35",
"question_stem": "which of these would stop a car quicker?",
"choices": {
"text": [
"a wheel with wet brake pads",
"a wheel without brake pads",
"a wheel with worn brake pads",
"a wheel with dry brake pads"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "D"
},
{
"id": "7-238",
"question_stem": "Shining a light through a diamond can",
"choices": {
"text": [
"make a lot of bright lights shine",
"summon a brilliant wave of color",
"heat up a room",
"make a lot of money"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "B"
},
{
"id": "7-891",
"question_stem": "A recyclable material can be",
"choices": {
"text": [
"transformed",
"traded",
"thrown away",
"used more times"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "D"
},
{
"id": "9-79",
"question_stem": "What is the benefit to using a frosted window film over a non treated windows?",
"choices": {
"text": [
"they are easier to make",
"they let in less light",
"they are cheaper to produce",
"they are much stronger"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "B"
},
{
"id": "7-157",
"question_stem": "Ocean water contains",
"choices": {
"text": [
"copious amounts of seltzer",
"scant amounts of sodium chloride",
"scant amounts of carbonation",
"copious amounts of the combination of Na and Cl"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "D"
},
{
"id": "9-463",
"question_stem": "Which is best an letting electricity pass through?",
"choices": {
"text": [
"tile flooring",
"human flesh",
"hockey stick",
"a steak knife"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "D"
},
{
"id": "1611",
"question_stem": "If a battery in an electromagnet is active, then what will happen to a nail in that electromagnet?",
"choices": {
"text": [
"it loses its magnetization",
"it loses its charge",
"it may become magnetized",
"it gains a charge"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "C"
},
{
"id": "8-333",
"question_stem": "A teacher wants to show how to combine two substances together. The two things that he can use in order to mix them completely are",
"choices": {
"text": [
"water and soda",
"water and oil",
"sand and rocks",
"salt and bark"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "7-1132",
"question_stem": "Atomic 26 is drawn to a device, it could be",
"choices": {
"text": [
"magnetized",
"Na",
"compass",
"K"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "8-205",
"question_stem": "The reason Earth is so sturdy is because",
"choices": {
"text": [
"It is made from rock",
"It eats three meals a day",
"It has a loving family",
"It is made from metal"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "9-504",
"question_stem": "Vast quantities of metal can be obtained from",
"choices": {
"text": [
"a quarry",
"concerts",
"forests",
"salt"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "423",
"question_stem": "The sides of the canyon are",
"choices": {
"text": [
"metal",
"water",
"rivers",
"stone"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "D"
},
{
"id": "8-59",
"question_stem": "Which of these would create the most sound if struck with a metal spoon?",
"choices": {
"text": [
"the plastic water bottle",
"the backside of a person",
"the hair on a doll",
"the chassis of a car"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "D"
},
{
"id": "9-1186",
"question_stem": "An example of a chemical reaction would be",
"choices": {
"text": [
"A rusty fence",
"Sleeping",
"Drinking water",
"Rain"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "268",
"question_stem": "Scraping an object",
"choices": {
"text": [
"may cause the object to grow in size",
"may cause the object to fall",
"may cause pieces to flake off the object",
"may cause the object to snap in half"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "C"
},
{
"id": "1095",
"question_stem": "What is the primary reason my duck feather filled jacket works well against the snow",
"choices": {
"text": [
"feathers slows heat transfer",
"the natural duck wax",
"a synthetic thick liner",
"small flexible solar panels"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "9-352",
"question_stem": "Which of these combinations would be desired if someone wanted to make a cutting implement that lasts a long time?",
"choices": {
"text": [
"ice and snow",
"sticks and stones",
"snow and water",
"iron and carbon"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "D"
},
{
"id": "9-132",
"question_stem": "Aluminum is what?",
"choices": {
"text": [
"reprocessable",
"plastic",
"liquid",
"absorbent"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "280",
"question_stem": "The aluminum cans were much hotter than the",
"choices": {
"text": [
"gold jewelry",
"wooden fence",
"brass doorknob",
"steel pole"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "B"
},
{
"id": "1074",
"question_stem": "What are iron nails made out of?",
"choices": {
"text": [
"wood",
"plastic",
"metal",
"glass"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "C"
},
{
"id": "496",
"question_stem": "Which of the following can be used to turn on an electrical device?",
"choices": {
"text": [
"solar-rechargeable battery",
"a wedge",
"a magnet",
"pressure gauge"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "8-321",
"question_stem": "I chipped away at a toy doll and the surface became really rough, when I rub it against a piece of wood that will create an increase in",
"choices": {
"text": [
"animals",
"resistance",
"water",
"sunshine"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "B"
},
{
"id": "9-776",
"question_stem": "Which of these saws will last longer?",
"choices": {
"text": [
"iron saw",
"aluminium saw",
"plastic saw",
"wooden saw"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "7-108",
"question_stem": "exposure to fire could result in",
"choices": {
"text": [
"wet items",
"cold items",
"none of these",
"combusted items"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "D"
},
{
"id": "9-1167",
"question_stem": "Erosion is caused by different kinds of",
"choices": {
"text": [
"soil",
"fish",
"rocks",
"weather"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "D"
},
{
"id": "1954",
"question_stem": "Carbon steel is always what?",
"choices": {
"text": [
"attractive to various objects that contain iron",
"pleasant with a magnetic personality",
"made up of iron and pieces of magnets",
"hard as a magnetizing rod"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "9-576",
"question_stem": "If you find something smooth and hard on the ground, it is probably made of what?",
"choices": {
"text": [
"minerals",
"mist",
"clouds",
"water"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "1150",
"question_stem": "Objects used to hold sheets of paper together are often",
"choices": {
"text": [
"large",
"wooden",
"ferromagnetic",
"electronic"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "C"
},
{
"id": "8-478",
"question_stem": "If I want to go running at night, what can I use as a reflector?",
"choices": {
"text": [
"A black shirt",
"Kitchen foil",
"Sunglasses",
"A megaphone"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "B"
},
{
"id": "7-732",
"question_stem": "Coal-fire power stations heat coal to incredible temps in order to",
"choices": {
"text": [
"produce energy",
"use heat energy",
"burn energy",
"fuel the world"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "7-599",
"question_stem": "What material has already broken down?",
"choices": {
"text": [
"wood",
"glass",
"boulders",
"sand"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "D"
},
{
"id": "7-386",
"question_stem": "Acid can be used to make a new",
"choices": {
"text": [
"light",
"substance",
"electricity",
"sound"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "B"
},
{
"id": "9-966",
"question_stem": "Quartz crystals are made up of",
"choices": {
"text": [
"majic",
"hexagons",
"octogons",
"water"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "B"
},
{
"id": "620",
"question_stem": "In solid phase matter has a/an",
"choices": {
"text": [
"concrete configuration",
"ambiguous form",
"shapeless form",
"radioactive glow"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "644",
"question_stem": "An incandescent bulb's filament produces similar light as an LED bulb, but more",
"choices": {
"text": [
"white light",
"conversion",
"heat",
"sound"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "C"
},
{
"id": "7-1138",
"question_stem": "When ice buildup is on a sidewalk, the ice may be reduced by",
"choices": {
"text": [
"adding salt",
"adding litter",
"adding sand",
"adding water"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "9-429",
"question_stem": "A glass of water can undergo a chemical change by adding",
"choices": {
"text": [
"a cup of salt",
"a cup of dirt",
"a cup of water",
"a cup of ice"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "A"
},
{
"id": "7-179",
"question_stem": "If a nail is Fe, that nail is",
"choices": {
"text": [
"foreign",
"atomic 26",
"nickel",
"atomic 12"
],
"label": [
"A",
"B",
"C",
"D"
]
},
"answerKey": "B"
}
]