Chapter Introduction Lesson 1 Solids, Liquids, and Gases - Weebly

[Pages:95]Chapter Introduction

Lesson 1 Solids, Liquids, and Gases

Lesson 2 Changes in State

Lesson 3 The Behavior of Gases

Chapter Wrap-Up

What physical changes and energy changes occur as matter goes from one state to another?

What do you think?

Before you begin, decide if you agree or disagree with each of these statements. As you view this presentation, see if you change your mind about any of the statements.

Do you agree or disagree?

1. Particles moving at the same speed make up all matter.

2. The particles in a solid do not move.

3. Particles of matter have both potential energy and kinetic energy.

4. When a solid melts, thermal energy is removed from the solid.

Do you agree or disagree?

5. Changes in temperature and pressure affect gas behavior.

6. If the pressure on a gas increases, the volume of the gas also increases.

Solids, Liquids, and Gases

? How do particles move in solids, liquids, and gases?

? How are the forces between particles different in solids, liquids, and gases?

Solids, Liquids, and Gases

? solid ? liquid ? viscosity ? surface tension

? gas ? vapor

Describing Matter

Two factors determine the state of matter:

? the motion of the particles of the matter

? the forces between the particles of the matter

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