Physical and Chemical Changes

Freezing Juice?

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Exploding Fireworks?

• Physical Change 
• Chemical Change 

Tags

NGSS.MS-PS1-2

Melting a chocolate bar?

• Physical Change
• Chemical Change 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Cutting your hair?

• Physical Change
• Chemical Change

Fizzing, foaming, and burning are all examples of

• Chemical change
• Physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Rust on an iron bar is an example of chemical change.

• True

• False

Tags

NGSS.MS-PS1-2

Which is an example of a chemical reaction?

• paper cut into small pieces
• chocolate melting in a pan
• flour and sugar mixed in a bowl
• cookies baking in an oven

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Describes how matter reacts with other matter. Examples: flammability and toxicity.

• physical properties

• chemical properties

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What kind of physical property is this? Color

• intensive

• extensive

What kind of physical property is this? Hardness

• intensive

• extensive