Absorption - the transfer of energy from a wave to the medium through which it travels., Amplitude - the measurement of the amount of energy transferred by a wave, Frequency - the number of times a wave passes a fixed point in a certain amount of time, Medium - a substance that allows energy waves to pass through, Opqaue - a material that does not allow light to pass through it., Reflection - the bouncing of a wave off of a surface, Refraction - the change in direction of a wave as it passes through a medium, Sound wave - a longitudinal wave that can travel only through matter, Transmission - the passage of light through a medium, Translucent - a material that allows most of the light that strikes it to pass through but objects look blurry., Transparent - a material that allows almost all of the light that strikes it to pass through and objects can be seen clearly., vibration - the back and forth movement of particles in a substance., Wavelength - The distance between one point on a wave and the nearest point just like it.,

Sound and light waves

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