Section 1
Section 2
Section 3
Section 4
Other
100
A tough membrane about 0.1 mm thick.
What is eardrum?
100
The amount of energy that flows through a certain area in a specific amount of time.
What is intensity?
100
Made of sounds that are deliberately used in a regular pattern.
What is music?
100
The study of sound.
What is acoustics.
100
The change in pitch or wave frequency due to a moving wave source.
What is doppler effect?
200
A spiral-shaped structure taut is filled with liquid & contains tiny hair cells.
What is cochlea?
200
The human perception of sound intensity.
What is loudness?
200
Describes the differences among sounds of the same pitch & loudness.
What is sound quality?
200
The process of locating objects by emitting sounds & interpreting the sound waves that are reflected back.
What is echolocation?
200
If two waves of different frequencies interfere, a new wave is produced that has a different _____________.
What is frequency?
300
Part of ear that gathers sound waves.
What is outer ear?
300
Each unit on the scale for sound intensity
What is decibel?
300
A vibration whose frequency is a multiple of the fundamental frequency.
What is overtone?
300
A system that uses the reflection of underwater sound waves to detect objects.
What is Sonar
300
Amplification of sound produced by musical instruments.
What is resonance?
400
Part of ear that amplifies waves.
What is middle ear?
400
How high or how low a sound seems to be.
What is pitch?
400
A hollow chamber filled with air that amplifies sound when the air inside of it vibrates.
What is resonator?
400
This animal uses echolocation to find its surroundings and food.
What is bats?
400
Can't travel through the vacuum of outer space.
What is sound waves.
500
Part of ear that converts waves to nerve impulses.
What is inner ear?
500
Sound frequencies above 20,000 Hz.
What is ultrasonic?
500
A pulsing variation in loudness that is unpleasant to the listener.
What is beats?
500
High-frequency sound waves can be used to treat certain medical problems.
What is ultrasound?
500
Compressional waves we can hear.
What is sound?
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