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Sound Waves

Across
This type of sound is produced from a low wave of energy with only slight pressure.
Less frequent waves make pitches in this range.
The force of the push or pull that radiates out.
Happens when a plane breaks the sound barrier.
More frequent waves make pitches in this range.
767 miles per hour
A thin membrane that responds to sound waves hitting it, helping to transmit sound inside the ear.
This type of sound is produced from a large wave of energy with more intense pressure.
The number (or frequency) of pushes and pulls of wave energy hitting the ear every second.
Down
A commonly used technique for communication, detection of objects, and navigating at sea.
This type of wave is created when particles are pushed together and pulled apart by vibrating objects.
Measure of loudness.
The height from the center line to the peak (or trough).
Noise made from vibrations.
Can hear the range between 20 and 20,000 Hertz.
A sound that is repeated when sound waves are reflected back.
This is required in order for sound waves to travel.
Standard unit used for measuring frequency.