Matter Review

Front

What is a chemical change?

Back

A change in matter in which one or more new substances form.

Front

What is melting?

Back

The process by which matter changes from a solid to a liquid.

Front

What is a physical property?

Back

A characteristic of matter that can be observed without changing it into another type of matter.

Front

What happens to water when a thin layer of ice forms on it?

Back

The water is at its freezing point.

Front

What changes when matter changes state?

Back

Thermal energy changes.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is freezing?

Back

The process by which a liquid turns into a solid.

Front

What is evaporation?

Back

The process by which a liquid changes into a gas.

Front

What is condensation?

Back

The process by which a gas changes into a liquid.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.