Physical or Chemical Changes

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. Examples include melting, freezing, and dissolving.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. It involves a chemical reaction and the rearrangement of atoms. Examples include burning, rusting, and cooking.

Front

Is melting ice a physical or chemical change?

Back

Melting ice is a physical change.

Front

Is roasting a marshmallow a physical or chemical change?

Back

Roasting a marshmallow is a chemical change.

Front

Is burning wood a physical or chemical change?

Back

Burning wood is a chemical change.

Front

Is making salt water a physical or chemical change?

Back

Making salt water is a physical change.

Front

Is breaking glass a physical or chemical change?

Back

Breaking glass is a physical change.

Front

What happens to the chemical composition during a physical change?

Back

The chemical composition remains the same during a physical change.

Front

What happens to the chemical composition during a chemical change?

Back

The chemical composition changes during a chemical change, resulting in new substances.

Front

Give an example of a physical change.

Back

An example of a physical change is ice melting into water.