Phase Change 4 701

Front

What is a solid?

Back

A solid is a state of matter where molecules are closely packed together and vibrate in place.

Front

What happens to molecules in a liquid?

Back

In a liquid, molecules are close together but can slide past one another.

Front

How do particles behave at higher temperatures?

Back

At higher temperatures, particles in an object move faster.

Front

What is a phase change?

Back

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

Front

What occurs during melting?

Back

During melting, a solid absorbs heat and changes into a liquid.

Front

What is freezing?

Back

Freezing is the process where a liquid loses heat and becomes a solid.

Front

What is evaporation?

Back

Evaporation is the process where a liquid changes into a gas at temperatures below its boiling point.

Front

What is condensation?

Back

Condensation is the process where a gas loses heat and changes into a liquid.

Front

What is sublimation?

Back

Sublimation is the process where a solid changes directly into a gas without becoming a liquid.

Front

What is deposition?

Back

Deposition is the process where a gas changes directly into a solid without becoming a liquid.