Chemical vs. Physical Changes

Front

What is a physical change?

Back

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 change that results in the formation of new chemical substances.

Front

What happens to the state of matter during a physical change?

Back

The state of matter can change (like solid to liquid) but the substance remains the same.

Front

Can you give an example of a physical change?

Back

Blending fruits together is a physical change.

Front

Can you give an example of a chemical change?

Back

Burning wood is a chemical change.

Front

What is the difference between a physical change and a chemical change?

Back

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

Front

What happens to the gas when a physical change occurs?

Back

The same gas is present before and after the change.

Front

What is an example of a change that is not a physical change?

Back

Rust forming on iron is not a physical change; it is a chemical change.

Front

What is an indicator of a chemical change?

Back

A change in color, temperature, or the production of gas or precipitate.

Front

What happens to candles when they burn?

Back

They undergo a chemical change, producing carbon dioxide.