Physical and Chemical Changes Review

Front

What is a physical change?

Back

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

Front

Give an example of a physical change.

Back

Melting ice is an example of a physical change.

Front

What happens during a change in the state of matter?

Back

A change in the state of matter involves a physical change where a substance transitions between solid, liquid, and gas states.

Front

Is stretching a rubber band a physical or chemical change?

Back

Stretching a rubber band is a physical change.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change.

Front

What is the difference between physical and chemical changes?

Back

Physical changes affect physical properties without changing the substance's identity, while chemical changes result in new substances being formed.

Front

What is an example of a change in size being a physical change?

Back

Cutting a piece of paper is an example of a physical change in size.

Front

What occurs during melting?

Back

During melting, a solid turns into a liquid, which is a physical change.

Front

What is an example of a chemical change in cooking?

Back

Baking a cake is an example of a chemical change because new substances are formed.