ScienceEnvironmental ScienceWavesWaves example #14085
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Waves

Geneva Kelly avatar Geneva Kelly
25 July 2022
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question
Mechanical Waves
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waves that require a medium through which to travel
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Name two types of mechanical waves.
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-transverse and longitudinal
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Which type of wave moves in an up and down motion?
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-Transverse
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What type of wave moves parallel to the wave energy?
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-Longitudinal
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Which type of wave contains compressions and rarefactions?
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-Longitudinal
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What is a Wave?
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-A disturbance that travels from one place to another transporting energy, but not necessarily matter, along with it.
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What is a medium
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-It is the material through which a wave travels.
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Which type of waves require a medium?
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-Mechanical
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What are 3 types of mediums a mechanical wave can travel through?
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-Solids, liquids, and gasses
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Which type of wave does not require a medium?
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-electromagnetic
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Vibration
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-A repeated back-and-forth or up-and-down motion
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Amplitude
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-Maximum distance a wave varies from its rest position
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Wavelength
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-The distance from two corresponding (or the same) parts of a wave.
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Frequency
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-How many waves can pass a given point per second, measured in Hertz (Hz)
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Crest
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-Highest point of a wave
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Trough
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-Lowest point of a wave.
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Energy
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-Is the ability to do work.
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Loudness
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-Is the human perception of sound intensity
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What two factors does loudness depend on?
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1. Amount of energy. 2. Distance from the source.
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Doppler Effect
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-A change in sound frequency caused by motion of the sound source, motion of the listener, or both.
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Seismic Wave
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-A vibration that travels through Earth carrying the energy released during an earthquake.
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Compression
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-The part of a longitudinal wave where the particles of the medium are close together.
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Rarefactions
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-The part of a longitudinal wave where the particles of the medium are farther apart.
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Which type of medium does sound travel fastest though?
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-Solids
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Why can't sound travel in space?
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-Space has no medium for the wave to travel on.