[
  {
    "index": 0,
    "question": "Copper is an element that is used in electrical wires. What is the smallest unit of copper that still maintains the characteristics of copper?",
    "choices": {
      "text": [
        "the atom",
        "the electron",
        "the nucleus",
        "the proton"
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]A[/ANSWER]",
    "llm_answer": "[ANSWER]A[/ANSWER]"
  },
  {
    "index": 1,
    "question": "Which statement correctly describes a property of a type of matter?",
    "choices": {
      "text": [
        "Air is a mixture of gases.",
        "Ice is a mixture of gases.",
        "Air is a liquid.",
        "Ice is a liquid."
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]A[/ANSWER]",
    "llm_answer": "[ANSWER]A[/ANSWER]"
  },
  {
    "index": 2,
    "question": "Which statement best explains why a tree branch floats on water?",
    "choices": {
      "text": [
        "Wood is porous.",
        "Wood is buoyant.",
        "Wood is light.",
        "Wood is magnetic."
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]B[/ANSWER]",
    "llm_answer": "[ANSWER]B[/ANSWER]"
  },
  {
    "index": 3,
    "question": "The best way to separate salt from water is with the use of",
    "choices": {
      "text": [
        "oil.",
        "heat.",
        "a magnet.",
        "rubbing alcohol."
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]B[/ANSWER]",
    "llm_answer": "[ANSWER]B[/ANSWER]"
  },
  {
    "index": 4,
    "question": "The speed of a sound wave varies as it travels through different substances. Which factor will most affect the speed of a sound wave?",
    "choices": {
      "text": [
        "the frequency of the wave",
        "the wavelength of the wave",
        "the source that created the sound",
        "the distance between molecules in the medium"
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]D[/ANSWER]",
    "llm_answer": "[ANSWER]D[/ANSWER]"
  },
  {
    "index": 5,
    "question": "Some students are performing hardness tests on several substances. X scratches Y. Y scratches Z. Z scratches W. Which of these statements best describes substance W's hardness?",
    "choices": {
      "text": [
        "W is the softest of the four substances tested.",
        "W is the hardest of the four substances tested.",
        "W can scratch Y.",
        "W can scratch X."
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]A[/ANSWER]",
    "llm_answer": "[ANSWER]A[/ANSWER]"
  },
  {
    "index": 6,
    "question": "When the temperature of a sample of 25 water is -5°C, the water is",
    "choices": {
      "text": [
        "a gas.",
        "a liquid.",
        "a solid.",
        "a vapor."
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]C[/ANSWER]",
    "llm_answer": "[ANSWER]C[/ANSWER]"
  },
  {
    "index": 7,
    "question": "Which is most useful to a student who is separating aluminum screws from steel screws?",
    "choices": {
      "text": [
        "a large funnel",
        "a screen filter",
        "a horseshoe magnet",
        "a magnifying glass"
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]C[/ANSWER]",
    "llm_answer": "[ANSWER]C[/ANSWER]"
  },
  {
    "index": 8,
    "question": "How are sedimentary rocks made?",
    "choices": {
      "text": [
        "Magma or lava is cooled.",
        "Materials are pressed together.",
        "Chemical reactions change minerals.",
        "Earthquakes cause small pieces to fall."
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]B[/ANSWER]",
    "llm_answer": "[ANSWER]B[/ANSWER]"
  },
  {
    "index": 9,
    "question": "A polished metal ball looks very shiny and bright on a sunny day. What makes the ball look shiny?",
    "choices": {
      "text": [
        "The ball makes light.",
        "The ball reflects light.",
        "The ball absorbs light and then releases it.",
        "The ball absorbs light and keeps it inside."
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]B[/ANSWER]",
    "llm_answer": "[ANSWER]B[/ANSWER]"
  }
]