Matter

Which is an

example of a different substance being formed?

• White powder mixes with a clear liquid and bubbles form.

• A clear liquid changes color

• A clear solid melts and stays clear

Tags

NGSS.MS-PS1-2

Which of the

following does NOT produce a new substance?

• Drawing on paper

• Baking bread

• Fireworks

• Cooking an egg

Tags

NGSS.MS-PS1-5

When engineers build railroad tracks, they leave spaces between the metal rods. Why do they

do this?

• Metal decreases in length when heated and increases in length when cooled.

• Metal decreases in weight when heated and increases in weight when cooled.

• Metal increases in length when heated and decreases in length when cooled.

• Metal increases in weight when heated and decreases in weight when cooled.

Tags

NGSS.MS-PS1-4

Mrs. Revak melts 20 ounces of chocolate. Which best describes the weight of the melted chocolate?

• 10 ounces

• 15 ounces

• 20 ounces

• 25 ounces

Tags

NGSS.MS-PS1-5

What happens to water vapor just before it condenses?

• The water vapor gains heat energy.

• The water vapor loses heat energy.

• The water vapor shrinks.

• The water vapor disappears.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What happens when a plastic water bottle freezes?

• The water bottle shrinks in size.

• The water bottle does not change, the water just freezes.

• The water bottle expands in size.

• The water bottle freezes but the water does not.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Most materials do this when heated.

• Expand

• Contract

Tags

NGSS.MS-PS1-4

Most materials do this when cooled.

• Expand

• Contract

Tags

NGSS.MS-PS1-4