States of Matter

Front

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

Back

Melting

Front

What is a physical change?

Back

A change that doesn't change the identity of a substance.

Front

What happens to particles in an object at higher temperatures?

Back

Particles in an object move faster.

Front

What is boiling?

Back

The process of a liquid turning into a gas.

Front

What is thermal energy?

Back

Heat energy.

Front

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

Back

Freezing

Front

What is condensation?

Back

The process of a gas turning into a liquid.

Front

What is sublimation?

Back

The process of a solid turning directly into a gas.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not change the identity of a substance, while a chemical change results in a new substance.

Front

What happens to the volume of a gas when it is cooled?

Back

The volume of a gas decreases.