Waves and Sound

Frequency is defined as...

• Number of waves or cycles generated per second.
• The maximum displacement of a wave from its equilibrium position.
• The time interval between two consecutive waves.
• The distance between two identical positions on two consecutive waves.

Tags

NGSS.MS-PS4-1

Which wave has the greatest amplitude?

• A
• B
• C
• D

Tags

NGSS.MS-PS4-1

The pitch of a sound is most closely related to the

• frequency  of the sound waves
• distance from the sound source
• medium through which the sound travels
• intensity of the sound

How loud or soft a sound is, is related to the _____________ of the wave

• amplitude
• frequency
• wave length
• rest position

Tags

NGSS.MS-PS4-1

Which wave has the largest wavelength?

• A
• B
• C
• None (same wavelength)

Tags

NGSS.MS-PS4-1

Which wave has the highest frequency?

• A

• B

• C

• None (same frequency)

• none of these are correct

Tags

NGSS.MS-PS4-1

Of the 4 waves, which is low pitch and quiet?

• red

• yellow

• green

• blue

Tags

NGSS.MS-PS4-1

Which BEST describes this sound?

• Starts low pitch and quiet and gets higher pitch and loud

• Starts high pitch and quiet and get lower pitch and loud

• Starts low pitch and loud and gets higher pitch and quiet

• Starts low pitch and quiet and gets higher pitch

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Lance and Kasi conduct an activity using a slinky. Lance fixes one end of the slinky against a fixed support. He then moves the slinky back and forth, as shown.

Kasi sees the wave moving towards the fixed support. What is true for this mechanical wave?

• It transmits energy only

• It transmits matter only

• It transmits both matter and energy

• It transmits both energy and a medium

Tags

NGSS.MS-PS4-2

Which wave is classified as a mechanical wave?

• microwave

• infrared wave

• sound wave

• radio wave