Physical and Chemical Changes

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 physical change?

• crumbled paper

• pencil sharpening

• shrunken clothing

• rust

Is melting butter for popcorn a chemical or physical change?

• Chemical

• Physical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Freezing juice?

• Physical

• chemical

Tags

NGSS.MS-PS1-4

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

Change in color is a physical change.

• True

• False

Fizzing, foaming, and burning are all examples of

• Chemical change

• Physical change

• Evaporation

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

When you break a cracker into pieces it is a...

• Chemical Change

• Physical Change

Photosynthesis is an example of a

• Physical change

• Chemical change

Tags

NGSS.MS-LS1-6