Amplify Phase Change Review

Front

What are the three states of matter?

Back

Solid, Liquid, Gas.

Front

What happens to water molecules when water freezes?

Back

The molecules move in place and become closely packed together.

Front

What is evaporation?

Back

The process where a liquid changes into a gas.

Front

What is condensation?

Back

The process where a gas changes into a liquid.

Front

What is melting?

Back

The process where a solid changes into a liquid.

Front

What is the main difference between solids and liquids?

Back

Solids have a fixed shape, while liquids take the shape of their container.

Front

What is kinetic energy?

Back

The energy of motion; it affects the movement of molecules.

Front

What causes a solid to melt?

Back

An increase in temperature adds kinetic energy to the solid.

Front

What is the phase change from liquid to solid called?

Back

Freezing.

Front

How do gas molecules behave?

Back

Gas molecules move freely and can spread out to fill their container.