Waves and Sound Crossword Puzzle

QUESTIONS LIST: hertz : unit of frequency, one wave per second, speed : speed at which wave travels (d/t), resonance : object vibrating at or near a resonant frequency of a 2nd object causes the 2nd object to vibrate, ultrasound : medical procedure that uses reflected sound waves to "see" inside the patient, doppler : change in frequency of sound caused by motion of listener or source of sound, interference : interaction of wave that occurs when two or more waves overlap, compression : region of high density in a longitudinal wave (particles closer together), vibration : complete back and forth motion of an object, wave : disturbance that transmits energy through matter or space, sound : energy that travels as vibrations, sonar : electronic echolocation, amplitude : maximum distance a wave vibrates from its rest position, longitudinal : type of wave in which particles of medium vibrate back and forth, trough : bottom of the transverse wave, frequency : number of waves produced in a given amount of time, rarefaction : region of low density in longitudinal wave (particles are further apart), wavelength : distance between on point on a wave and the corresponding point on an adjacent wave, crest : top of the transverse wave, medium : substance wave travels through