instruction:
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.
question:
Question: While in the lab, Sharon and Joe were testing alkenes; Sharon's alkenes were much larger than Joe's. The melting point of Sharon's alkenes will be _____ than Joe's. 
 Answer: lower
answer:
Larger alkenes have lower boiling and melting points.


question:
Question: If Milo is out exploring and he comes across two glaciers, each with their own u-shaped valley, will the smaller or larger glacier have a smaller u-shaped valley? 
 Answer: smaller glacier
answer:
Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys.


question:
Question: When we crumple a rubber band it has 
 Answer: high potential energy
answer:

The more an elastic object is stretched or compressed, the greater its elastic potential energy is.