Chemical vs. Physical 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 changing 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

Is melting ice a physical or chemical change?

Back

Melting ice 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.

Front

Give an example of a physical change.

Back

An example of a physical change is tearing a piece of paper.

Front

Give an example of a chemical change.

Back

An example of a chemical change is rust forming on iron.

Front

What is an example of a change of state?

Back

An example of a change of state is water freezing into ice.

Front

What is the result of mixing air into egg whites?

Back

Mixing air into egg whites is a physical change.

Front

What type of change occurs when something burns?

Back

Burning is a chemical change.