Chapter 3 Solids, Liquids, and Gases

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1

What are the four states of matter?

Solids, Liquids, Gases, and Plasma

2

What has a definite shape and a definite volume?

solid

3

Describe the movement of the particles in a solid.

They vibrate.

4

There are two categories of solids. What are they?

Crystalline and amorphous

5

What is a property of a crystalline solid?

It melts at a specific temperature.

6

What is an example of an amorphous solid?

Plastics, rubber, glass

7

What has definite volume, but takes the shape of the container it fills?

liquid

8

Describe the movement of the particles in a liquid.

loosely connected and can move past one another

9

What is a fluid?

a substance that flows

10

A liquid with a low viscosity flows

quickly

11

Because of surface tension, a liquid

forms droplets

12

Matter that takes the shape and volume of its container is called what?

gas

13

Describe the motion of the particles of a gas.

Fast, moving independently of one another, and colliding frequently

14

A change from a solid to a liquid is known as?

melting

15

What is freezing?

the change from a liquid to a solid

16

What are the two main types of vaporization?

boiling and evaporation

17

During what, do particles in a gas lose enough thermal energy to form a liquid?

condensation

18

Sublimation is the change between what two states of matter?

from a solid to a gas

19

When working with a gas, what three measurements is it helpful to know?

volume, temperature, pressure

20

What is pressure?

is the force of its outward push divided by the area of the walls of the container

21

What does Charles's Law state?

When the temperature of a gas is increased at constant pressure, its volume increases. When the temperature of a gas is decreased at a constant pressure, the volume decreases.

22

According to Boyle's law, as the volume of a gas is made smaller, the pressure of the gas

gets higher

23

When temperature increases, the movement of gas particles do what?

increases

24

When temperature decreases, the pressure?

decreases