Physical and 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 breaking.

Front

What is a chemical change?

Back

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

Front

Is melting ice cream a physical or chemical change?

Back

Melting ice cream is a physical change.

Front

Is glass breaking a physical or chemical change?

Back

Glass breaking is a physical change.

Front

Is mowing the lawn a physical or chemical change?

Back

Mowing the lawn is a physical change.

Front

Is freezing chocolate covered bananas a physical or chemical change?

Back

Freezing chocolate covered bananas is a physical change.

Front

Is separating sand and gravel a physical or chemical change?

Back

Separating sand and gravel 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 that involves water.

Back

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