Physical and Chemical Changes

A change that affects one or more physical properties of a substance is called...

• physical change

• chemical change

• physical properties

• chemical properties

The appearance, shape, or size of a substance may be altered during a...

• physical change

• chemical change

• physical property

• chemical property

What happens to a substance during a physical change?

• It becomes a new substance

• The physical properties of the substance are changed.

• It shows a chemical change

• The chemical properties of the substance are changed.

Turning wool into a sweater will cause many ____________ in the wool. However, the wool does not change into some other substance as a result of these changes.

• physical properties

• chemical properties

• physical changes

• chemical changes

What happens when you fill an ice cube tray with water and place it in the freezer? What type of change do you see?

• water freezes/ physical property

• water evaporates/ chemical property

• water freezes/ physical change

• water evaporates/ chemical change

Write three examples of physical changes.

When one or more substances change into an entirely new substances with different properties a _______________ ___________ occurs.

• physical property

• chemical property

• physical change

• chemical changes

Logs of wood from a campfire becoming ashes. This is an example of...

• physical properties

• chemical properties

• physical changes

• chemical changes

In a ______________________, a substance's identity changes because its chemical makeup changes

• physical property

• chemical property

• Physical changes

• Chemical changes

How do higher temperatures influence a chemical change?