Particles move perpendicular to the direction of the wave. Shaped like a S.
Transverse
Measures from one spot on a wave to the same spot on the next wave.
Wavelength
The higher the pitch the higher the _____________ of a sound wave.
Frequency
When sound bounces off a surface and comes back.
Echo
Particles vibrate in the same direction as the wave moves.
Longitudinal
Measures the height of a wave.
Amplitude
The louder a sound the greater the ____________ of the sound wave.
Amplitude
Which travels faster, sound or light?
Light
All the waves on the ____________________ spectrum do not need a medium to travel through.
electromagnetic
Frequency
Sound travels fastest through a _______________.
Solid
An airplane makes this noise when it travels faster than the speed of sound.
Sonic Boom
A ________________ wave needs a medium through which to travel.
Mechanical
The top and bottom of a transverse wave.
Crest and Trough
The unit used to measure the loudness of a sound is
Decibels
Which pitch is higher, alto or tenor?
Alto
What type of wave causes your tympanic membrane to vibrate?
Sound
The part of a longitudinal wave that is not compressed.
Rarefaction
The unit used to measure frequency is
Hertz (HZ)
Bats use _________________ to hunt at night. They send out sound waves and can sense when the sound bounces off of prey.
Echolocation