Argue changes caused by heating/cooling can be reversed Practice Test

Will says some changes caused by heating cannot be reversed. Angelo says some changes can be reversed.

Their father takes a popsicle out of the freezer and sets it on the counter. The popsicle begins to melt. He gets a call and puts it back into the freezer.

Using this example who is correct, Will or Angelo, and why?

Becca says that some heating changes can be reversed. She gives the example of melting butter. She says that you can turn a solid piece of butter into a liquid and then turn it back to a solid. Her friend Melva disagrees and says butter cannot be changed back and forth.

Who is correct, and why?