1. Energy and Matter States of Matter
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Publishing as Benjamin Cummings

2. Solids Solids have a definite shape. a definite volume.
particles that are close together in a fixed arrangement.
particles that move very slowly.
Copyright © by Pearson Education, Inc.
Publishing as Benjamin Cummings

3. Liquids Liquids have an indefinite shape, but a definite volume.
the same shape as their container.
particles that are close together, but mobile.
particles that move slowly.

4. Gases Gases have an indefinite shape. an indefinite volume.
the same shape and volume as their container.
particles that are far apart.
particles that move very fast.

5. Three States of Matter for Water

6. Summary of the States of Matter
Solid Liquid Gas
Copyright © by Pearson Education, Inc.
Publishing as Benjamin Cummings

7. Learning Check Identify each as: 1) solid 2) liquid or 3) gas.
___ A. It has a definite volume, but takes the shape of
the container.
__ B. Its particles are moving rapidly.
__ C. It fills the volume of a container.
__ D. It has particles in a fixed arrangement.
__ E. It has particles close together that are mobile.

8. Solution Identify each as: 1) solid 2) liquid or 3) gas.
2 A. It has a definite volume, but takes the shape of
the container.
3 B. Its particles are moving rapidly.
3 C. It fills the volume of a container.
1 D. It has particles in a fixed arrangement.
2 E. It has particles close together that are mobile.