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chapter 17 vocab

QuestionAnswer
Density The mass per cubic meter of a substance
Wave Rhythmic movement that carries energy through matter or space: can be described by its crest through wavelength and wave height
Tranverse wave Mechanical wave that causes particles in matter to move at right angles to the direction the wave travels
Compressional wave Mechanical wave that causes particles in matter to move back and forth along the direction the wave travels
Wavelength distance between one point on a wave and the nearest pont moving with the same speed and direction
Frequency Number of wavelengths that pass a given point in one second measured in hertz (Hz)
Law of Reflection states that when a wave is reflected the angle of incidence is equal to the angle of reflection
Refraction change in direction of a wave when it changes speed as it travels from one material into another
Defraction bending of waves around an object
Perception a recognition, sense, or understanding of something
Intensity amount of energy a wave carries past a certain area each second
Reverberation Repeated echoes of sound waves
Spectrum A range of values or properties
Electromagnetic waves waves that can travel through matter or empty space, include radio waves, infrared waves, visable light waves, ultroviolet waves, X rays, and gamma waves
Infrared waves electromagnetic waves with wavelengths between about one thousandths of a meter and about 700 billionths of a meter
Ultroviolet waves electromagnetic waves with wavelengths between about 400 billionths and 10 billionths of a meter
Pitch Human perception of the frequency of sound
Created by: jessicalikespeas
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