Question

PLEASE HELP ASAP TAKING A TEST!

Explain in your own words the behavior of a substance's molecules as it changes from a solid to a liquid to a gas.



*It would be nice if you start it out as: As a substance changes from a solid to a liquid to a gas, its molecules first... (or something similar)*
*But you can still start it anyway you want*

Answer 1

As a substance changes from a solid to a liquid to a gas, its molecules first the molecules are moving fast enough, they are able to "escape." They leave the surface of the liquid as gas molecules. Evaporation is not the only process that can change a substance from a liquid to a gas. The same change can occur through boiling.

Step-by-step explanation: