Physical Versus Chemical Change Review

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

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

Digesting your food is an example of 

• chemical change

• physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-LS1-7

Cutting a log in to small pieces is a chemical change.

• true

• false

Which lab experiments below describe a situation where a chemical change has occurred? Check all that apply.

Tags

NGSS.MS-PS1-2

• The baking soda and hydrochloric acid combined, and bubbles formed. 

• The baking soda absorbed the hydrochloric acid. 

• Some of the baking soda dissolved in the hydochloric acid.

• The hydrochloric acid evaporated, leaving only the baking soda. 

Tags

NGSS.MS-PS1-2

• One of the original compounds came out of solution

• The solutions reacted chemically

• Some of the water froze into ice crystals

• Rapid evaporation of water occured, leaving a solid

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

NGSS.MS-PS1-4