Sound waves are also known as ----- waves.

Areas of increased pressure on a sound wave are known as a ----

The distance from the beginning of one compression to the beginning of the next compression is called a -----

Spread out areas or areas of decreased pressure on a sound wave are known as a ---

The number of wavelengths that pass a fixed point each second is known as ----

The unit for measuring frequency is the ---

The measure of the amount of energy in a wave is ----

The Tacoma Narrows Bridge, musical instruments, and crystal stemware are examples of -----

The speed of sound depends on these two things:

Sound waves travel the fastest through ---

Sound waves that are beyond the range of human ear are known as ----

Sonar and echolocation use ----- to detect objects under water.