Frequency

What is changed in the second picture?

• Someone is talking louder in picture 2

• Someone is talking softer in picture 2

• Someone is talking lower pitch in picture 2

• Someone is talking higher pitch in picture 2

Tags

NGSS.MS-PS4-1

Which wave has a higher frequency per second?

• blue wave

• red wave

Tags

NGSS.MS-PS4-1

How High or Low a sound is

• Volume

• Amplitude

• Pitch

• Vibrate

Tags

NGSS.MS-PS4-2

The number of cycles that are completed per second is called the ________ and is measured in _________.

• frequency, Hertz

• wavelength, meters

• amplitude, meters

• period, seconds

Tags

NGSS.HS-PS4-1

Which wave has the highest frequency?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS4-1

Examine the picture: What is the frequency of one wave?

• 8 sec

• 1/8 Hz

• 8 Hz

• 1/8 sec

Tags

NGSS.MS-PS4-1

Examine the picture. What happens to the period of a wave as frequency increases?

• Increases

• Decreases

Tags

NGSS.HS-PS4-1

The frequency of a wave is 10 Hz. What is the period of the wave?

• 10 sec

• 1/10 sec

• 0.5 Hz

• 5 sec

The period of a wave is 4 seconds. What is the frequency?

• 1/4 Hz

• 1/4 sec

• 4 Hz

• 2 Hz

A boy notices that 45 complete waves travel past him in 90 seconds. What is the frequency of these water waves?

• 100 m

• 1 Hz

• 0.5 Hz

• 1m/s