Sound Review - Chapter 2
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This is a review about sound.
- 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? - ProProfs]( "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?")
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? - ProProfs]( "What produces the sound in this instrument?")
What produces the sound in this instrument?
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