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Ch.22 Science

Vocab

QuestionAnswer
electromagnetic wave a wave that consists of electric and magnetic fields that vibrate at right angles to each other
radiation transfer of energy as electromagnetic waves
electromagnetic spectrum all of the frequencies or wavelengths of electromagnetic radiation
reflection the bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through
absorption in optice, the transfer of light energy to particles of matter
scattering an interaction of light with matter that causes light to change its energy, direction of motion, or both
refraction the bending of a wave as the wave passes between 2 substances in which the speed of the wave differs
diffraction a change in the direction of a wave when the wave finds or an edge, such as an opening
interference the combination of 2 or more waves that results in a single wave
transmission the passing of light or other form of energy through matter
transparent describes matter that allows light to pass through with little interference
translucent describes matter that transmits light but that does not transmit an image
opaque describes an object that is not transparent or translucent
pigment a substance that gives another substance or a mixture its color
Created by: gymqueen4e
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