Physical or Chemical Reaction

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-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Cutting Paper

• Physical Change

• Chemical Change

Burning Wood

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the process by which a chemical change occurs?

• Conservation of Matter

• Physical Change

• Chemical reaction

• Condensation

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which 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

_______________ is an example of both a color change and new substance produced from a chemical change with oxygen and metal.

• shredded paper

• rust (iron oxide)

• wood chips

• melted wax

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following IS a physical change?

• Getting a haircut

• Rusty metal

• sour milk

• A compound