4.5 Phase Change Final Assessment

Front

What are the three phases of water?

Back

Solid, Liquid, Gas.

Front

What happens to water molecules when water freezes?

Back

The molecules move in place and are closely packed together.

Front

What happens to water molecules when water boils?

Back

The molecules move faster and start moving away from each other.

Front

What is kinetic energy?

Back

The energy that an object has due to its motion.

Front

How does temperature affect the movement of molecules?

Back

As temperature increases, molecules move faster; as temperature decreases, they move slower.

Front

What is a phase change?

Back

A transition of matter from one state to another, such as solid to liquid or liquid to gas.

Front

What occurs during melting?

Back

A solid absorbs heat and changes into a liquid.

Front

What occurs during freezing?

Back

A liquid loses heat and changes into a solid.

Front

What occurs during condensation?

Back

A gas loses heat and changes into a liquid.

Front

What occurs during evaporation?

Back

A liquid absorbs heat and changes into a gas.