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: James is boring deep into the Earth. His shuttle is less likely to burn up at _____ depths. 
 Answer: shallow

Ex Output:
Temperature increases with depth inside the Earth, so melting of rocks is more likely to occur at greater depths.


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: If Mona fills up a cup with water and places that water into the oven, what happens to the density of the water as it heats up? 
 Answer: decreases

Ex Output:

When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.