Matter Test Practice/Retest

A teacher places a penny into an amount of acid in a closed container to demonstrate a chemical change. The penny weighs 3 grams and the acid 230 grams. After the chemical

reaction takes place, what will be the mass of the penny and acid?

• 2g

• 200g

• 230g

• 233g

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of these is an example of a new substance being formed?

• a nail rusting

• a wall being painted

• water changing to steam

• paper being folded

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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

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

A jeweler melts gold to make jewelry. As the gold melts, the mass

• stays the same

• increases

• decreases

• is destroyed

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

If 10 grams of water are added to 5 grams of salt, how much salt water will be made?

• 2

• 5

• 10

• 15

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NGSS.MS-PS1-2

Tonya observes a mixture of two clear liquids in a container to see if a chemical change occurs. Which observation demonstrates the mixture is undergoing a chemical change?

• The mixture’s temperature is the same.

• A gas forms after the liquids are mixed.

• One liquid floats on top of the other.

• The mixture’s color does not change

Tags

NGSS.MS-PS1-2

Tracy measured the mass of an empty beaker. The mass of the beaker was 100 grams (g). She filled the beaker with some water and measured the mass again. The total mass was 150 grams. Tracy put the beaker with water in the freezer. After the water froze, what was the mass of the

beaker?

• 50

• 100

• 150

• 500

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A group of students weighed a sealed jar full of heavy cream. Then they shook the jar until the cream separated, and then they weighed the jar again. Which of the following would best describe its weight?

• The jar will have gained weight because some liquid changed to a solid.

• The jar will have gained weight because shaking added energy to it.

• The jar will have lost weight because of friction from shaking the liquid.

• The jar will have kept the same weight because it did not gain or lose any matter.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which describes a chemical change?

• sugar dissolving in coffee or tea

• sunshine warming a sidewalk

• scissors cutting paper into pieces

• acid in the stomach digesting food

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which best explains why burning wood is a chemical change?

• The process occurs quickly.

• The process can be reversed.

• The process can be repeated.

• The process creates a new substance.

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NGSS.MS-PS1-2

NGSS.MS-PS1-5