physical and chemical change

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

Is melting butter for popcorn a chemical or physical change?

• chemical

• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Is freezing Juice a physical or chemical change?

• Physical Change

• Chemical Change

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

Tags

NGSS.MS-PS1-2

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

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

• Chemical change

• Physical change

Tags

NGSS.MS-PS1-2

Dissolving sugar in water is an example of a 

• physical change
• chemical change

Tags

NGSS.MS-PS1-4

Digesting your food is an example of 

• chemical change
• physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-LS1-7