States of Matter

At higher temperatures

• particles in an object have less energy
• particles in an object move faster
• a gas contracts

Freezing

• Solid to gas

• Liquid to solid

• Gas to solid

Boiling

• liquid to gas

• gas to solid

• gas to liquid

What is happening when my ice cream changes from a solid to a liquid?

• freezing

• melting

• burning

The state of matter that has no definite size or shape is

• Solid

• Liquid

• Gas

Particles in a ______________________ move quickly and are far apart.

• gas

• solid

• liquid

Particles of a liquid

• are tightly packed together and stay in a fixed position.

• are free to move around one another but still touch.

What is condensation?

• gas to solid

• gas to liquid

• liquid to solid

The slower the particles in a substance move,

• the colder it is.

• the warmer it is.

• the more energy it has.

Definite shape and definite volume

• Solid

• Liquid

• Gas