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Third Grade

Science: In third grade, students learn that science is exciting, fun, and that there is a process to follow.

What's the Matter?

Third graders are learning the difference between solids, liquids and gases. These are also known as the phases of matter. They watch teacher demonstrations to learn the differences between physical and chemical changes.

Click in the box below to find out what phase change the graphic represents!

The ice cube has been left out on the counter for too long!	It snowed today and we made a snowman out of the fluffy white crystals!
The puddle disappears.	A storm cloud forms in the sky.

Phase Change Answers

This Ice Cube is changing from a solid to a liquid. It is melting.	This snowman is made from snow which is water that has changed from a liquid to a solid. It is freezing.
The puddle will dry up in the hot sun. It will go from a liquid to a gas in the air. This is called evaporation.	This cloud is formed when gases in the air are cooled into liquid. Later the liquid will fall as rain. This is called condensation.

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