question: Write a question you would see in a school textbook. OPTIONS:
- electricity
- friction
- gravity
- magnetism
answer: A student drops a ball. Which force causes the ball to fall to the ground?

question: Write a question you would see in a school textbook. OPTIONS:
- light.
- radiation.
- thermal energy.
- electromagnetic energy.
answer: The comet Shoemaker-Levy struck the planet Jupiter in July of 1994. The process of a comet striking a planet is an example of a net decrease in kinetic energy. Kinetic energy was ultimately converted into

question: Write a question you would see in a school textbook. OPTIONS:
- iron
- wood
- plastic
- petroleum
answer:
Which resource is most likely found in large amounts in forest ecosystems?