Practice Quiz

ACT Science Exam Prep - Question List

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6. Which of the following is the best conductor of electricity?
  1. Rubber
  2. Wood
  3. Metal
  4. Plastic
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7. Which of the following are unique to only plant cells?
  1. A cell wall
  2. A nucleus
  3. Cytoplasm
  4. Membrane
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8. A toy cart that has a weight of 10 N moves with a constant velocity of 2 m/s to the right on a horizontal table. According to Newton’s laws of motion, which of the following statements is correct?
  1. The table exerts a force of 10 N upward on the toy cart.
  2. The toy cart exerts a force of 10 N upward on the table.
  3. The toy cart exerts a force of 2 N downward on the table.
  4. The table exerts a force of 2 N to the right on the toy cart.
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9. If a human were to drink salt water, which of the following would result?
  1. It would be just like drinking tap water. They would be hydrated.
  2. They would have buoyancy in the water.
  3. They would become dehydrated.
  4. None of the above
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10. How many chromosomes do most healthy humans have?
  1. 23
  2. 46
  3. 26
  4. 43
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