Summary
A science segment on the states of matter, showing how water can freeze into a solid or turn into a gas, and how some of those changes can be reversed by heating or cooling. Children describe what causes the changes.
Viewer safety
All ages
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Teaching resources
Discussion questions
After watching “Changing Liquid to Solid and Gas” together:
- What makes water turn into ice?
- What makes ice turn back into water?
- Which changes can we undo, and which can't be undone?
Quick work-a-long
Words to know: solid, liquid, gas, freeze, melt
Draw water as a solid, a liquid, and a gas. Write what you would do to change one into another.

