In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Ex Input:
Question: Jimbo was playing on his sled one day. He slid down a snowy hill and then slid down a rocky hill. Which hill created less heat energy?
Answer: snowy hill

Ex Output:
Friction causes the molecules on rubbing surfaces to move faster, so they have more heat energy.

Ex Input:
Question: A 10 pound box would be easier or harder to shove than a 100 pound box?
Answer: easier

Ex Output:
Heavier objects also have more friction because they press together with greater force.

Ex Input:
Question: John was watching the movement of a stream in the forest. He noticed that the slower moving stream would only carry particles that are
Answer: Smaller

Ex Output:
In erosion, a slower moving stream will only carry smaller particles.