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Grade 2 Science · World 5: Hot & Cold Kitchen · Level 32
Ice, Water, Steam
Follow water as it freezes, melts, and boils (a first look).
Warm-up, learn, try it together, practice, then a quick check. About 15 minutes.
What children learn in Level 32
- Water can be a solid, a liquid, or a gas! Ice is solid water. It keeps its own shape.
- Heat ice, and it melts into liquid water. A liquid pours, and it takes the shape of its cup.
- Heat water until it boils, and it turns into steam, a gas. Gases spread out to fill the space they're in.
- Cooling goes the other way. Steam cools into water drops, like on a cold window. Water freezes into ice.
- Your turn! You keep heating ice. Put the changes in order.
Georgia Standards of Excellence in Science:
- S2P1.c — Provide evidence from observations to construct an explanation that some changes in matter caused by heating or cooling can be reversed and some changes are irreversible. (Changes in matter could include heating or freezing of water, baking a cake, boiling an egg.)