Chemical & Physical Changes

Front

What is a physical change?

Back

A physical change is a change where the characteristics do not change the substance.

Front

What are physical properties?

Back

Properties that describe how a substance looks, feels, state of matter, etc.

Front

What are chemical properties?

Back

Properties that describe how a substance reacts with other substances.

Front

Is a statue damaged by acid rain a chemical change?

Back

True

Front

What is an example of a physical change?

Back

Melting ice, boiling water, or breaking a glass.

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, forming new substances.

Front

Can physical changes be reversed?

Back

Many physical changes can be reversed, such as freezing and melting.

Front

Can chemical changes be reversed?

Back

Chemical changes are usually not reversible by simple physical means.

Front

What is an example of a chemical change?

Back

Rusting of iron or burning wood.