question: Write a question you would see in a school textbook. OPTIONS:
- gravitational force
- magnetic force
- electric force
- friction force
answer: A student wraps a wire around an iron nail. The student then connects the wire to a battery. The nail attracts another nail and they stick together. What force holds the two nails together?

question: Write a question you would see in a school textbook. OPTIONS:
- density
- length
- mass
- volume
answer: Paula determines a property of a marble using a balance and a graduated cylinder. What property is Paula most likely determining by using both tools?

question: Write a question you would see in a school textbook. OPTIONS:
- size
- strength
- long ears
- camouflage
answer:
What characteristic helps a rabbit survive in a winter environment?