Students observed a piece of iron change from shiny to rusty. What caused this change?

• a chemical reaction

• a heat reaction

• a cold reaction

• a physical reaction

Tags

NGSS.MS-PS1-2

Which is the best example of a new substance forming?

• lighting a match

• cutting a piece of paper

• popping a balloon

• hitting a nail with a hammer

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is an example of a different substance being formed?

• glass breaking

• metal melting

• water freezing

• wood burning

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Identify the change:

Glass breaking

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

Identify the change:

Wood burning

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Bending metal

• Physical Change

• Chemical Change

Boiling Water

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Ice cream melting

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-4

Dissolving Sugar

• Physical Change

• Chemical Change

Tags

NGSS.5-PS1-4

Crumpling paper

• Physical Change

• Chemical Change