When liquid lava cools, it changes.
It turns into hard rock. Rock is a solid.
When liquid lava cools, it changes.
It turns into hard rock. Rock is a solid.
Find a liquid in this picture.
Where is a solid?
A solid is something that can be picked up. It keeps its own shape. A liquid can flow or be poured easily. It takes the shape of its container.
ice
juice
lake water
apple
milk
rock
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