Unit 3 Test (Waves)

A student makes four different sounds. Which sound has the most energy?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS4-1

Which statement describes a wave?

• water moves up and down when it is disturbed.

• water moves out of a bucket when the bucket is overfilled.

• water moves in a circle when it does down a drain

• water moves through a pipe when a faucet is turned on.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A Science class wants to make a model of waves. Which sentence describes the best model?

• Drop a paper from the top of the stairs to see how it moves

• Roll toy cars down different ramps to see which is the fastest.

• Attach one end of a long rope to a wall, and shake it up and down.

• Fill a bathtub with water, and gently place a plastic toy on the surface.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A student looks at a flower. She can see the flower because light from the (a)   reflects off the flower and into her eyes.

Tags

NGSS.MS-PS4-2

Which wave has the shortest wavelength?

• wave w

• wave x

• wave y

• wave z

Tags

NGSS.MS-PS4-1

Which wave has the longest wavelength?

• wave w

• wave x

• wave y

• wave z

Tags

NGSS.MS-PS4-1

Jill's diagram shows the waves made when she hits the drums. Describe how the waves are the same and how they are different.

Tags

NGSS.MS-PS4-1

Jill's diagram shows the waves made when she hits the drums. Describe how the wave for drum 3 would change if the drum were hit harder.

Tags

NGSS.MS-PS4-1

The diagram shows JIll looking at a drum. Which sentences explain why Jill can see the drum?

Choose two answers.

• Light from the sun hits the drum.

• Jill's eyes reflected the drum's light.

• Reflected light enters into Jill's eyes.

• The drum is making light that Jill can see.

Tags

NGSS.4-PS4-2

Jill brings the drum inside into a dark room. Why can she no longer see the drum?

• Her eyes cannot reflect light.

• The drum cannot reflect light.

• The drum is black in the dark.

• Her eyes turn black in the dark.

Tags

NGSS.MS-PS4-2