Absorption - Light wave is changed to thermal energy; sound wave is reduced in amplitude, Reflection - Wave bounces off object, Refraction - Wave moves through an object but at a different angle because of a change in media, Diffraction - Wave moves through an opening or around a barrier., Transmission (of light) - Wave moves through an object , Opaque - Light wave can not move through an object, Transluesent - light wave can move through it but light is likely to be refracted, Transparent - light wave can move through it easily, Amplitude - Sound waves = loudness or softness; Light wave = Brightness or dullness, Frequency - the number of waves that pass a point in one second; greater frequency = shorter wavelength, Wavelength - how long the wave is; e.g., the distance from the "crest" (top) of one wave to the crest of the next wave.,

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