Physical and Chemical Changes

Occurs when two or more molecules interact forming new molecules.

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Do not change the substance into anything new.

• Chemical Change

• Physical Change

Check all that is a chemical change.

• Tearing paper

• Bubbles after mixing two unknown substances

• Food digesting

• Water boiling

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Check all that are a physical change.

• Tearing paper

• Sugar dissolving

• Water boiling

• Food digesting

Check all signs of chemical change:

• Burning

• Unexpected color change

• Precipitate forms

• Change in shape

Tags

NGSS.MS-PS1-2

Check all signs of physical change:

• Change in state of matter.

• Change in texture.

• Unexpected temperature change.

• Change in color.

Tags

NGSS.MS-PS1-4

In a chemical reaction, the product is changed into a completely new substance.

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a physical change, a new substance is formed.

• True

• False

Baking a cake is an example of a physical change.

• True

• False

The study of matter and how substances interact with each other is known as...

• Biology

• History

• Chemistry

• Science

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5