What is the source of all sounds?
Vibrations
What physics word is linked to loudness?
Amplitude
What fork is good for creating single notes?
Tuning
Name a device that turns electricity into sound
loudspeaker
What is a reflection of sound called?
echo
Opposite of a compression?
rarefaction
sound needs a what to travel through?
medium
sound above 20kHz
ultrasound
underwater detection uses what?
sonar
sound waves are said to be ...
longitudinal
What physics word is linked to pitch?
frequency
what is said to be equal to fλ
velocity
Sound won't go through this!
vacuum
A sound with a speed of frequency of 68Hz, has a wavelength of what in m ?
five