Chemical Reaction (change) and Physical Change

In a ___________change, a substance changes into a different substance.

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of these is NOT a sign that a chemical change has occurred? 

• A loss of transparency 
• An unexpected color change
• A temperature change
• The formation of a precipitate

Tags

NGSS.MS-PS1-2

A copper penny turning greenish after a few years.

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

An gel ice pack getting cold after you put it in the freezer for an hour.

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS3-4

Which of the following IS a physical change?

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

The smell your dog makes after eating to much people food.

• Chemical Change
• Physical Change

Cutting Paper

• Physical Change

• Chemical Change

Burning Wood

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Rotting Fruit (Like a brown banana)

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is not a sign that a chemical reaction has occurred?

• A change in mass

• Bubbling

• Production of an odor or smell

• Change in color

Tags

NGSS.MS-PS1-2