Unit 2: Matter, Lesson 3: How Does Matter Change?

Adan used a steel shovel to plant some flowers in his garden. When he finished, he stuck the shovel into the damp soil. A few weeks later, Adan took the shovel out of the ground. The surface of the shovel had a reddish color. What happened to the shovel?

• The shovel rusted in the damp soil.

• The steel changed into aluminum.

• The shovel burned in the hot sun.

• The steel changed into copper.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Ari makes six star-shaped cookies out of dough. He puts all of the cookies on a balance and measures the total weight as 36 g. He then pushes the cookies into one big ball and measures the weight. What is the weight of the entire ball?

• 6 g

• 30 g

• 36 g

• 42 g

Tags

NGSS.MS-PS1-2

Water can change from one state to another. What happens when water changes states?

• Some matter is lost.

• Some matter is gained.

• Matter is both lost and gained.

• Matter is neither lost nor gained.

Tags

NGSS.MS-PS1-4

A glass is filled half full of water and half full of ice. The weight of the ice and water is 250 milligrams. Which sentence describes the weight of the water when the ice melts in the glass?

• It will weigh 250 milligrams.

• It will weigh a little less than 250 milligrams.

• It will weigh twice as much as 250 milligrams.

• It will weigh a little more than 250 milligrams.

Tags

NGSS.MS-PS1-5

a change in which the shape or form of the substance changes, but the substance still has the same chemical makeup. (a change in which no new matter is created)

• Physical Change

• Chemical Change

• Boiling Point

• Melting Point

the temperature at which matter changes from a solid to a liquid

• Boiling Point

• Melting Point

• Freezing Point

Tags

NGSS.MS-PS1-4

the point in which matter changes from a liquid to a gas.

• Melting Point

• Boiling Point

• Freezing Point

Tags

NGSS.MS-PS1-4

The change from a liquid to a solid.

• Boiling Point

• Freezing Point

• Melting Point

Tags

NGSS.MS-PS1-4

the change of one or more substances, caused by a reaction that forms new and different substances.

• Physical Change

• Chemical Change

• Melting Point

• Boiling Point

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A half-eaten apple is left on a counter and turns brown. Which of these is evidence a chemical change took place?

• The apple is softer.

• The apple changed color. (Moldy and Brown)

• Half of the apple was eaten.

• The apple is warmer to the touch.

Tags

NGSS.MS-PS1-2