Physical and Chemical changes PS8.1.3

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

NGSS.MS-PS1-5

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

Identify the change:

Glass breaking

• Physical

• Chemical

Identify the change:

Wood burning

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Boiling Water

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Ice cream melting

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Dissolving Sugar

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-4

Which answer makes a correct statement?

• Physical change only changes the size.

• Physical change only changes the color.

• Physical changes begin and end with the same matter.

• Physical changes change the matter into something totally different.

Sarah and Jake were each given a ball of clay of the same weight. Both students used all their clay to make an object. Sarah rolled hers into a ball; Jake made a long, skinny rope. What do you expect the weight of the clay figures to be now?

• Sarah’s weighs more because it is round.

• Jake’s weighs more because it is long.

• There is no way of knowing.

• The figures would be equal.

A student mixed two substances in a test tube, he

noticed that the test tube became warm. He also

noticed an odor coming from the test tube. Based

on Jose's observations, what was

most likely occurring inside the test tube?

• A. The substances were melting.

• B. The substances were evaporating.

• C. The substances were undergoing a chemical

  reaction.

• D. The substances were undergoing an

  endothermic reaction.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5