Physical and Chemical Changes Review

Front

What type of change occurs when two or more materials are combined and a new substance is formed?

Back

Chemical changes

Front

What type of changes are easy to reverse or change back?

Back

Physical changes

Front

What is an example of a physical change?

Back

Ice melting

Front

What is an example of a chemical change?

Back

Fireworks

Front

What type of change involves a change in the shape or appearance of an object?

Back

Physical change

Front

What is the main difference between physical and chemical changes?

Back

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

Front

Can you give an example of a chemical change that occurs in everyday life?

Back

Rusting of iron

Front

What happens to the molecules during a physical change?

Back

The molecules rearrange but do not change their chemical structure.

Front

What is a common indicator of a chemical change?

Back

Color change, gas production, or temperature change.

Front

Is boiling water a physical or chemical change?

Back

Physical change