3 years ago

Why does a substance change states?

Health

2 answers:

kompoz [17]3 years ago

7 0

Because the molecules in an object either expand when warm or contract if its cold

QveST [7]3 years ago

4 0

A substance changes states because, the molecules in a object has to spread out and move quickly when it's warmer and moves slower if the subtance is getting colder.

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