OpenSciEd 7.4

When the speaker vibrates, why do the air particles move?

• The air particles move because the speaker pushes on the air particles.

• The air particles move because of the sound.

Tags

NGSS.MS-PS4-1

How do the air particles between the speaker and sound detector move?

• The particles travel across the whole space to the sound detector.

• The particles vibrate back and forth.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

If the sound had a large amplitude, how would the particles move?

• They would vibrate back and forth farther away from the speaker.

• They would vibrate back and forth closer to the speaker.

• They would vibrate back and forth faster.

• They would vibrate back and forth slower.

Tags

NGSS.MS-PS4-1

Why does the sound detector vibrate?

• It vibrates because the speaker is playing sound.

• It vibrates because the air molecules are pushing on the sound detector.

Tags

NGSS.MS-PS2-5

NGSS.MS-PS4-2

How would hair cells react to a low pitch sound?

• The hair cells would vibrate slowly.

• The hair cells would vibrate quickly.

• The hair cells would move back and forth farther.

• The hair cells would move back and forth less far.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

How would hair cells react to a quiet sound?

• They would vibrate back and forth quickly.

• They would vibrate back and forth slowly.

• They would vibrate less far.

• They would vibrate farther.

Tags

NGSS.MS-PS4-1

These waves have the same amplitude.

• True

• False

Tags

NGSS.MS-PS4-1

These waves have different frequencies.

• True

• False

Tags

NGSS.HS-PS4-1

What kind of sound would be heard with this type of wave?

• Quiet, low pitch

• Loud, low pitch

• Quiet, high pitch

• Loud, high pitch

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What kind of sound would be heard with this type of wave?

• Quiet, low pitch

• Loud, low pitch

• Quiet, high pitch

• Loud, high pitch

Tags

NGSS.MS-PS4-1