Phase Change Amplify - End of Unit Study Guide

Front

What are the three phases of matter?

Back

Solid, Liquid, Gas.

Front

What happens to molecules during a phase change from liquid to gas?

Back

The molecules gain energy and move away from each other.

Front

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

Back

Melting.

Front

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

Back

Freezing.

Front

What is evaporation?

Back

The process where liquid turns into gas at the surface.

Front

What is condensation?

Back

The process where gas turns into liquid.

Front

What is the role of energy in phase changes?

Back

Energy is either absorbed or released during phase changes.

Front

How do temperature and pressure affect phase changes?

Back

Increasing temperature can cause melting or evaporation; increasing pressure can cause freezing or condensation.

Front

What is the difference between boiling and evaporation?

Back

Boiling occurs throughout the liquid at a specific temperature, while evaporation occurs only at the surface.

Front

What happens to the movement of molecules in a solid?

Back

Molecules in a solid vibrate in place.