Physical and Chemical Changes

Which one of these is NOT a chemical change?

• When two substances mix, they separate into layers.

• When two substances are mixed there is a color change.

• When two substances mix, there is a change in temperature and bubbles form.

• When two substances mix, there is a change in temperature and a solid forms.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Two substances are mixed, a new substance forms and sinks to the bottom. Is that a physical change or a chemical change?

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Physical or Chemical?

Steam forming above boiling water.

• Physical

• Chemical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Physical or Chemical?

A solid forming during freezing.

• Physical

• Chemical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Physical or Chemical?

A solid forms when two substances are mixed.

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

Physical or Chemical?

Crystals form while boiling sugar water.

• Physical

• Chemical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Physical or Chemical?

Change in shape.

• Physical

• Chemical

Physical or Chemical?

A new substance is produced.

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

Identify the change:

Glass breaking

• Physical

• Chemical

Identify the change:

Wood burning

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5