Physical vs. Chemical change

Front

What is a physical change?

Back

A physical change is any change that affects the form of a chemical substance, but not its chemical composition.

Front

What is a chemical change?

Back

A chemical change is any change that results in the formation of new chemical substances.

Front

Is mixing lemonade powder with water a physical or chemical change?

Back

Physical change.

Front

Is spoiled meat a physical or chemical change?

Back

Chemical change.

Front

Is mowing the lawn a physical or chemical change?

Back

Physical change.

Front

What happens to the chemical composition during a physical change?

Back

The chemical composition remains the same.

Front

What happens to the chemical composition during a chemical change?

Back

The chemical composition changes, resulting in new substances.

Front

Give an example of a physical change.

Back

Melting ice.

Front

Give an example of a chemical change.

Back

Rusting of iron.

Front

What is an indicator of a chemical change?

Back

Formation of gas, color change, or temperature change.