[
  {
    "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"
  }
]