Physical and Chemical Changes

Front

What is a Chemical Change?

Back

A change that occurs when substances that make up an object are transformed into another substance.

Front

What is an example of a Chemical Change?

Back

Eating food and digesting it.

Front

What is a Physical Change?

Back

A change that happens when matter changes size, shape, or form but not its substance.

Front

What is an example of a Physical Change?

Back

A soda can being smashed.

Front

What are some examples of Chemical Changes?

Back

Exploding fireworks, decaying leaves, rusting.

Front

What happens during a Physical Change?

Back

Matter changes from one state to another (solid, liquid, gas) without changing its substance.

Front

What is an example of a Physical Change involving water?

Back

Melting ice.

Front

What is an example of a Chemical Change involving heat?

Back

Baking a cake.

Front

What is the difference between Physical and Chemical Changes?

Back

Physical changes do not alter the substance, while chemical changes do.

Front

What is an example of a Chemical Change in nature?

Back

Photosynthesis in plants.