Physical vs. Chemical Changes

What is the best description of a physical change?

• A new substance is formed.

• Matter is lost.

• The change can be reversed.

• It is the same as a chemical reaction.

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

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

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

A copper penny turning greenish after a few years is an example of ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

• crumpled paper
• pencil sharpening
• shrunken clothing
• sour milk

Tags

NGSS.MS-PS1-2

Which of the following IS a physical change?

• Getting a haircut
• Rusty metal
• sour milk
• A compound

Tags

NGSS.MS-PS1-4

Ripping up paper ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2