Chemical vs. Physical Changes

A change in which NEW substances are formed.

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

Dry ice "evaporates" without melting as time passes

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Dissolving, bending, crushing, breaking, and chopping are all examples of...

• Chemical Changes

• Physical Changes

Digesting a sandwich into nutrients for the body

• Chemical Change

• Physical Change

Tags

NGSS.MS-LS1-7

Heating sugar until it forms into caramel

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following would support the claim that roasting a marshmallow is a chemical change?

• Grew bigger in size

• Turns a golden brown color

• New smell

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Evidence of a physical change

• Light Produced

• Shape Change

• New substance Formed

• Gas Released

Mixing air into egg whites (i.e. making meringue)

• Chemical Change

• Physical Change

Combining vinegar and baking soda: releases gas (bubbles) and drops to a colder temperature

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5