Review 3 - Sound and Hearing

Look at the picture shown.

Which straw has the highest pitch?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-1

 If a sound wave has a high pitch, it has _______.

• low frequency

• high frequency

• high amplitude

• low amplitude

The number of complete waves in 1 second is called _________.

• amplitude

• wavelength

• frequency

• volume

Tags

NGSS.HS-PS4-1

What is the unit of frequency?

• Decibel

• Meter

• Hertz

• Second

What do you call the distance between two crests of a wave?

• Wavelength

• Frequency

• Amplitude

• Volume

Tags

NGSS.MS-PS4-1

Which of the following sound wave produces the highest pitch of sound?

• 
• 
• 
• 

Diagram shows 3 types of sound waves generated from speaker.

Which of the following statements is true?

• P, Q and R have the same pitch

• P has a higher pitch than Q

• Q has a higher pitch than R

• R has the highest pitch

Tags

NGSS.MS-PS4-1

Look at the picture shown.

 Which waveform has the lowest frequency?

• a

• b

• e

• d

Tags

NGSS.MS-PS4-1

We could change the pitch of a guitar.

What could you do to the strings to make a higher pitch?

• loosen the strings

• tighten the strings

• pluck the strings harder

• pluck the strings softer

Sound with frequencies below 20 Hz is called _____

• infrasound

• ultrasound

• super sound

• soft sound