Chemical Changes

which one is not an indicator of a chemical change

• formation of gas

• formation of a solid

• formation of liquid

• change of colour

• change in temperature

Tags

NGSS.MS-PS1-2

what is a physical change

• its when a transformation doesn't change the nature of the molecules in matter

• its when a transformation change the nature of the molecules in matter

• its when a transformation change the nature of the molecules in substance

Tags

NGSS.MS-PS1-4

1. Sugar dissolves in warm water
 
 

• Physical change
• Chemical Change

Tags

NGSS.MS-PS1-4

2. A nail rusts.
 

•  Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

4. A piece of paper burns. 
 

• Physical Change
•  Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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 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 a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• rust

Tags

NGSS.MS-PS1-2

Change in color is a physical 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