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

Example of a physical change?

Back

Cutting paper.

Front

Example of a chemical change?

Back

Burning wood.

Front

What happens during digestion?

Back

A chemical change occurs as food is broken down into nutrients.

Front

What happens when you bake a pizza?

Back

Both physical and chemical changes occur.

Front

Is melting ice a physical or chemical change?

Back

Physical change.

Front

Is rusting of iron a physical or chemical change?

Back

Chemical change.

Front

What is an example of a mixture?

Back

Salad.

Front

What is the difference between a physical and chemical change?

Back

Physical changes do not create new substances, while chemical changes do.