Physical and Chemical Changes Review

Front

A sign of a ____________ change is when a new odor is produced.

Back

chemical

Front

__________ changes may result in the formation of a precipitate when liquids combine to form a solid.

Back

chemical

Front

Filling an ice cube tray with water that freezes and forms ice cubes is a _______ change.

Back

physical

Front

Cutting your hair is an example of a _____ change.

Back

physical

Front

Melting butter is an example of a ____ change.

Back

physical

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

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

Front

List one example of a physical change.

Back

Boiling water.

Front

List one example of a chemical change.

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.