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a disturbance that transfers energy from one place to another without requiring matter to move the entire distance
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the distance between a crest or trough of a wave and line through the center of a wave
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Waves/sound-pratte

Waves & Sound study guide

QuestionAnswer
a disturbance that transfers energy from one place to another without requiring matter to move the entire distance Waves
the distance between a crest or trough of a wave and line through the center of a wave Amplitude
a substance through which a wave moves Medium
the distance from one wave crest to the next crest, or from any part of one wave to the identical part on the next wave Wavelength
a wave, such as a sound wave or an earthquake wave, that transfers energy through matter Mechanical wave
the number of wavelengths (or wave crests) that pass a fixed point in a given amount of time, usually one second Frequency
a type of wave in which the disturbance moves at right angles, or perpendicular,to the direction in which the wave travels Transverse Wave
the bouncing back of a wave after it strikes a barrier Reflection
a type of wave in which the disturbance moves in the same direction that the wave travels Longitudinal Wave
the bending of a wave as it crosses the boundary between two mediums at an angle other than 90 degrees Refraction
the highest point, or peak, of a wave Crest
the spreading out of waves as they pass through an opening or around the edges of an obstacle Diffraction
the lowest point, or valley, of a wave Trough
the meeting and combining of waves; the adding or subtracting of wave amplitudes that occurs as waves overlap Interference
a type of wave that is produced by a vibrating object and that travels through matter Sound
the change in perceived pitch that occurs when the source or the receiver of a sound is moving Doppler Effect
a rapid, back-and-forth motion Vibration
the amount of energy a sound wave has Intensity
a space containing no particles of matter Vacuum
the unit used to measure the intensity of a sound wave Decibel
the quality of highness or lowness of a sound Pitch
the strengthening of an electrical signal,often used to increase the intensity of a sound wave Amplification
the unit used to measure frequency;one hertz is equal to one complete wavelength per second Hertz
the scientific study of sound; the behavior of sound waves inside a space Acoustics
sound waves with frequencies above 20,000 hertz, the upper limit of typical hearing levels in humans; use of sound waves with frequencies above 20,000 hertz for medical purposes Ultrasound
the sending out of high-pitched soundwaves and the interpretation of the returning echoes Echolocation
the strengthening of a sound wave when it combines with an object’s natural vibration Resonance
instruments that use echolocation to locate objects underwater; acronym for “sound navigation and ranging“ Sonar
Created by: Bpratte
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