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Waves

vocabulary

TermDefinition
compressional waves mechanical wave that causes particles in matter to move back and forth along the direction the wave travels.
diffraction bending of waves around an object.
electromagnetic spectrum complete range of electromagnetic wave frequencies and wavelengths.
electromagnetic waves waves that can travel through matter or empty space,includes radio waves, infrared waves, visible waves, ultraviolet waves, x rays, and gamma rays.
frequency number of wavelengths that pass a given point in one second, measured in hertz.
infrared waves electromagnetic waves with wavelengths between about one thousandth of a meter and 700 billionths of a meter.
intensity a amount of energy that a wave carries past a certain area each sound.
law of reflection states that the angle the incoming wave makes with the normal to the reflecting surface equals the angle the reflected makes with the surface.
pitch human perception of the frequency of sound.
refraction change of direction of wave when it changes speed as it travels from one material into another.
reverberation repeated echos of sound waves.
transverse wave mechanical wave that causes particles in matter to move at right angles to the direction the wave travels.
ultraviolet wave electromagnetic waves with wavelengths between about 400 billionths and 10 billionths of a meter.
wave disturbance that moves through matter and space and carries energy.
wavelength distance between one point on a wave and the nearest point moving with the same speed and direction
Created by: keyshia brown