Phase Changes

Front

What are the two phase changes that do not require thermal energy?

Back

Condensation and Freezing.

Front

What happens during freezing?

Back

A liquid changes into a solid.

Front

What happens during melting?

Back

A solid changes into a liquid.

Front

Which phase changes require thermal energy?

Back

Melting and Evaporation.

Front

What happens during evaporation?

Back

A liquid changes into a gas.

Front

Define phase change.

Back

A phase change is the transformation of a substance from one state of matter to another, such as solid, liquid, or gas.

Front

What is condensation?

Back

Condensation is the process where a gas changes into a liquid.

Front

What is the state of matter during melting?

Back

The state of matter changes from solid to liquid.

Front

What is the state of matter during freezing?

Back

The state of matter changes from liquid to solid.

Front

What is evaporation?

Back

Evaporation is the process where a liquid changes into a gas.