science vocab 4
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| wave | a periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium
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| medium | a physical environment in which phenomena occur
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| mechanical wave | a wave that needs a medium in which to travel
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| transverse wave | a wave in which the particle of the medium move perpendicularly to the direction the wave is traveling
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| longitude wave | a wave in which the particle of the medium vibrate parallel to the direction of wave motion
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| compression | part of the longitudinal wave where the particles bunch up closer together
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| rarefraction | part of the longitudinal wave in which the particle expand and move apart
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| electromagnetic wave | a wave that consists of electric and magnetic fields that vibrate at right angles to each other
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| reflection | the bouncing back of a ray of light, sound, or heat when the ray hits a surface that is does not go though
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| refraction | the bending of a wave as the wave passes between the two substances in which the speed of the wave differs
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| diffraction | a change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening
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| transmission | the passing of light or other of energy through matter
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| absorption | in optics, the transfer of light energy to particles of matter
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