Atoms and molecules make up matter. That matter comes in three forms, or states of matter: solid, liquid, and gas. In this video, discover how different temperatures can transform atoms and molecules into entirely new states of matter!”
This video satisfies the 2-PS1-4 requirement for second grade proficiency.
Students who demonstrate understanding can:
2-PS1-4. Construct an argument with evidence that some changes caused by heating or cooling can be reversed and some cannot.