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 altering its chemical composition. Examples include melting, freezing, and dissolving.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. It involves a chemical reaction and includes processes like burning, rusting, and baking.

Front

Is coloring on paper a chemical or physical change?

Back

Physical Change

Front

Is baking a cake a chemical or physical change?

Back

Chemical Change

Front

Is slicing an apple a chemical or physical change?

Back

Physical Change

Front

Is cutting paper a chemical or physical change?

Back

Physical Change

Front

Is milk turning sour a chemical or physical change?

Back

Chemical Change

Front

What happens to the molecules during a physical change?

Back

The molecules may change their arrangement or state (solid, liquid, gas) but their chemical structure remains the same.

Front

What happens to the molecules during a chemical change?

Back

The molecules rearrange to form new substances with different chemical properties.

Front

Give an example of a physical change.

Back

Melting ice is an example of a physical change.