Sound Review - Chapter 2

22 Questions | By DavisLLDBDSD | Updated: Mar 22, 2022 | Attempts: 390

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This is a review about sound.

Questions and Answers

1.

Sound waves are caused by
- A.
  
  Amplitude
- B.
  
  Vibrations
- C.
  
  A medium
2.

The sound of your voice is produced by the
- A.
  
  Force of air making your vocal cords vibrate
- B.
  
  Vibration of your middle ear
- C.
  
  Vibration of air inside your lungs
3.

Sound waves transfer energy by
- A.
  
  Pushing and pulling air particles
- B.
  
  Forcing the air out of a space
- C.
  
  Moving air particles up and down
4.

Jim wants to make the pitch of a sound wave lower. He should
- A.
  
  Decrease its wavelength
- B.
  
  Increase its amplitude
- C.
  
  Decrease its frequency
5.

Nina listens to an ambulance as it travels past her. The sound of the siren
- A.
  
  Decreases in pitch
- B.
  
  Increases in wavelength
- C.
  
  Decreases in amplitude
6.

The intensity of a sound is determined by its
- A.
  
  Amplitude
- B.
  
  Frequency
- C.
  
  Speed
7.

Brian turns up the volume on his stereo. The stereo sends an electrical signal to the speakers. The signal changes the sound’s
- A.
  
  Frequency
- B.
  
  Wavelength
- C.
  
  Intensity
8.

Your hearing can be damaged by
- A.
  
  Low-frequency sounds
- B.
  
  Long-wavelength sounds
- C.
  
  High-intensity sounds
9.

A doctor uses ultrasound to
- A.
  
  Test hearing
- B.
  
  Examine internal organs
- C.
  
  Locate objects in the dark
10.

A CD player reads information from pits on the CD. This information is used to make sound waves. First, the CD player produces
- A.
  
  Electrical signals
- B.
  
  Vibrations
- C.
  
  Grooves
11.

A sound wave is produced by the
- A.
  
  Vibration of an object
- B.
  
  Transfer of energy through a vacuum
- C.
  
  Movement of air in the lungs
12.

When you speak, the sound waves are produced by
- A.
  
  The vibration of hairs in the cochlea
- B.
  
  Air making your vocal cords vibrate
- C.
  
  Electrical signals generated in your brain
13.

As a sound wave moves through the air, it creates
- A.
  
  Only areas of compressed particles
- B.
  
  Areas of high and low pressure
- C.
  
  Vibrations in the inner ear
14.

In order to change the pitch of a sound, you should change its
- A.
  
  Amplitude
- B.
  
  Frequency
- C.
  
  Intensity
15.

The notes played on a flute and those played on a violin have the same pitch, but they sound very different. This is because their sounds have different
- A.
  
  Wavelengths
- B.
  
  Combinations of overtones
- C.
  
  Natural frequencies
16.

The intensity of a sound measures the
- A.
  
  Frequency of the sound wave
- B.
  
  Pitch of the sound
- C.
  
  Amount of energy carried by the sound wave
17.

Tia uses a synthesizer to create sound waves. She increases the amplitude of the sound wave. What do you predict will happen to the sound?
- A.
  
  The pitch will go up.
- B.
  
  The loudness will increase.
- C.
  
  The frequency will decrease.
18.

An engineer places acoustic tiles on a ceiling. The tiles are designed to
- A.
  
  Change the pitch of the sound waves
- B.
  
  Absorb and redirect sound waves
- C.
  
  Change the frequency of sound waves
19.

The part of a telephone that produces sound waves is the
- A.
  
  Microphone
- B.
  
  Diaphragm
- C.
  
  Electrical signal
20.

Ultrasound echoes enable animals such as bats and dolphins to
- A.
  
  Clean themselves
- B.
  
  Remove obstacles in their paths
- C.
  
  Locate food and avoid large objects
21.

Interpreting Visuals Using the picture below, answer the following question. There are three main types of musical instruments: stringed, wind, and percussion. The instrument in the picture is a cello. What type of instrument is it?
22.

What produces the sound in this instrument?