Sound Waves Crossword

A wave that is an oscillation of matter, and therefore transfers energy through a medium.
The materials or empty space through which signals, waves or forces pass
A comb or tuft of feathers, fur, or skin on the head of a bird or other animal
waves of the electromagnetic field, propagating (radiating) through space carrying electromagnetic radiant energy
The time needed for one complete cycle of vibration to pass a given point
A wave vibrating at right angles to the direction of its propagation
The rate at which something occurs or is repeated over a particular period of time or in a given sample
An increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other
The throwing back by a body or surface of light, heat, or sound without absorbing it
A particle representing a quantum of light or other electromagnetic radiation
The process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an edge
Change in direction of propagation of any wave as a result of its traveling at different speeds at different points along the wave front
The quality of being intense
A wave of compression and rarefaction
The quality of a sound governed by the rate of vibrations producing it
Sound waves with frequencies below the lower limit of human audibility
Sound or other vibrations having an ultrasonic frequency
A system for detecting the presence, direction, distance, and speed of aircraft, ships, and other objects