NGSS science · 2nd grade
Show that heating or cooling can cause changes, some of which can be reversed.
2-PS1-4 is part of the Next Generation Science Standards. Solid, Liquid, Gas practices it. Standards vary by state, so check with your kid’s teacher for the exact match.
Solid, Liquid, Gas: In a kitchen lab, kids sort solids, liquids and gases, use clues to name a state, see what heating and cooling do (melting, freezing, boiling) and decide whether a change can be undone.