Physical or Chemical Reaction

Is melting butter for popcorn a chemical or physical change?

• chemical

• physical

Tags

NGSS.MS-PS1-4

Which of the following is a sign that a chemical reaction has occurred?

• change in shape

• melting

• formation of a gas

• dissolving

Tags

NGSS.MS-PS1-2

Which of the following is NOT an example of a physical change?

• crumpled paper

• pencil sharpening

• shrunken clothing

• rust

Tags

NGSS.MS-PS1-4

Freezing Juice?

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS3-4

A change where one or more new substances are created.

• Physical Change 

• Chemical Change 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

NGSS.MS-PS1-5

Photosynthesis is an example of a

• physical change

• chemical change

Tags

NGSS.MS-LS1-6

Dissolving sugar in water is an example of a 

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

The melting of wax is an example of a

• chemical change

• physical change