Phase Change Review

Front

What is the process of a solid changing to a liquid called?

Back

Melting

Front

What state of matter is characterized by having a definite shape and volume?

Back

Solid

Front

What state of matter is characterized by having a definite volume but no definite shape?

Back

Liquid

Front

What state of matter has no definite shape or volume?

Back

Gas

Front

What is the process of a liquid changing to a solid called?

Back

Freezing

Front

What happens to the molecules in a substance when it is heated?

Back

The molecules gain kinetic energy and move faster.

Front

What is the process of a liquid changing to a gas called?

Back

Evaporation

Front

What is the process of a gas changing to a liquid called?

Back

Condensation

Front

How do the molecules in a solid compare to those in a liquid?

Back

Molecules in a solid are closely packed and vibrate in place, while in a liquid they are more spread out and can move past each other.

Front

What happens to the temperature of a substance during a phase change?

Back

The temperature remains constant during a phase change.