Summary
Solids, liquids, and gases — this explainer compares how each state holds its shape and volume, with everyday examples. A solid anchor for a matter unit.
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All ages
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Teaching resources
Discussion questions
Discussion
Matter comes in different states depending on how its particles move.
- How is a solid different from a liquid?
- Why does a gas fill up whatever container it's in?
- What happens to water when it freezes or boils?
- Name one solid, one liquid, and one gas in this room.
Quick work-a-long
Vocabulary: matter, solid, liquid, gas, property.
Try it: Make a three-column chart (solid / liquid / gas) and sort five objects from around the room.