Physical and Chemical 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 a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

Is melting ice a physical or chemical change?

Back

Physical Change

Front

Is burning wood a physical or chemical change?

Back

Chemical Change

Front

What happens during freezing?

Back

A liquid changes to a solid by removing heat energy.

Front

What happens during melting?

Back

A solid changes to a liquid by adding heat energy.

Front

What is an example of a physical change?

Back

Ice melting into water.

Front

What is an example of a chemical change?

Back

Baking a cake.

Front

What is condensation?

Back

The process where a gas turns into a liquid by losing heat energy.

Front

What is evaporation?

Back

The process where a liquid turns into a gas by gaining heat energy.