Front

What is the state of matter where particles are very spread out and moving quickly?

Back

Gas

Front

What is the phase change when a solid becomes a liquid?

Back

Melting

Front

How are liquids and solids different than gases?

Back

Gases have space between their particles.

Front

What happens to temperature as heat energy increases?

Back

Temperature increases.

Front

What is the phase change when a gas becomes a liquid?

Back

Condensation

Front

What is the state of matter where particles are closely packed together and vibrate in place?

Back

Solid

Front

What is the state of matter that has a definite volume but takes the shape of its container?

Back

Liquid

Front

What is the process called when a liquid turns into a gas?

Back

Evaporation

Front

What is the phase change when a liquid becomes a solid?

Back

Freezing

Front

What is the term for the change from solid directly to gas?

Back

Sublimation