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Chap. 20 Vocab.

Science Vocab

QuestionAnswer
Wave A periodic disturbance in a solid,liquid,or gas as energy is transmitted through a medium.
Medium A physical environment in which phenomena occur
Transverse Wave A wave in which the particles of the medium move perpendicularly to the direction the wave is traveling.
Longitudinal Wave A wave in which the particles of the medium vibrate parallel to the direction of wave motion.
Amplitude The maximum distance that hte particles of a wave's medium vibrate from their rest position.
Wavelength The distance from any point on a wave to an identical point on the next wave.
Frequency The number of waves produces in a given amount of time.
Wave Speed The speed at which a wave travels through a medium.
Reflection The bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through.
Refraction The bending of a wave as the wave passes between two substances in which the speed of the wave differs.
Diffraction A change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening.
Intergerence The combination of two or more waves that results in a single wave.
Standing Wave A pattern of vibration that simulates a wave that is standing still.
Resonance A phenomenon that occurs when two objects naturally vibrate at the same frequency; the sound produced by one object causes the other object to vibrate.
Created by: sunshine3825
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