Sound
Applications
Rap/Hip Hop, Classical, Pop
Ear Anatomy
100
Sound is a disturbance that travels through a medium as a
longitudinal wave
100
The changing pitch of a police car’s siren as it moves by you is an example of
the Doppler Effect
100
What is a set of tones combined in a way that is pleasing to the ear?
music
100
Which part of your ear do sound waves enter through?
ear canal
200
Which term refers to how high or low a sound seems to a person?
pitch
200
What do some bats use to locate food and to navigate?
echolocation
200
This instrument produces a sound by creating an air column in the instrument to vibrate.
wind instruments
200
The ear canal ends at a tightly stretched membrane called the ____________________.
ear drum
300
The ____________________ of a sound wave is the distance between a compression or rarefaction and the next compression or rarefaction.
wavelength
300
Charles Elwood "Chuck" Yeager is a retired brigadier general in the United States Air Force and record-setting test pilot. In 1947, he became the first pilot confirmed to have traveled faster than sound. Why did Chuck Yeager’s team choose a high altitude to try to break the sound barrier? Hint: temperature.
The temperature is lower, so the speed of sound is lower.
300
A fundamental tone has only one
frequency
300
This part of the ear is filled with fluid and houses the cilia.
cochlea
400
Which of the following factors determines the loudness of a sound? Hint: wave characteristics
amplitude of the sound wave
400
Doctors are able to make sonograms through the use of
ultrasound
400
A short string under a certain tension generally produces a sound with a higher ____________________ than a long string under the same tension.
pitch
400
What is the main job of the semi-circular vesicles
maintain balance
500
In which medium does sound travel the fastest?
solid
500
The use of reflected sound waves to detect and locate objects underwater.
Sonar
500
This is the study of how sounds interact with each other and the environment.
acoustics
500
The middle ear contains the smallest bones in the body which are:
hammer, anvil, stirrup
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