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

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

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

• crumpled paper
• pencil sharpening
• shrunken clothing
• rust

Tags

NGSS.MS-PS1-2

Freezing Juice?

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Fizzing, foaming, and burning are all examples of

• Chemical change
• Physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

• Chemical change

• Physical change

Tags

NGSS.MS-PS1-2

Digesting your food is an example of 

• chemical change
• physical change

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

The melting of wax is an example of a

• chemical change

• physical change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Exploding Fireworks?

• Physical Change 
• Chemical Change 

Tags

NGSS.MS-PS1-2

Rotting bananas?

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2