energy ability to do work
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ENERGY Ability to do work. WAVE Disturbance that Transfers energy from place to place. Medium – The material through which a wave travels. Mechanical Wave – waves that require a medium through which to travel. . - PowerPoint PPT PresentationTRANSCRIPT
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ENERGY Ability to do work
WAVE Disturbance that
Transfers energy from place to place
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Medium – The material through which a wave travels
Mechanical Wave – waves that require a medium through which to travel.
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Transverse Waves-waves that move the medium at right angles to the direction in which the waves travel.
Longitudinal Wave – move the particles of the medium parallel to the direction that the waves are traveling.
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CREST – The Highest part of a wave
TROUGH- The lowest part of a wave
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Rarefaction- The parts where the coils spread out, or rarefied
Compression-The parts where the coils are close together
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Vibration – repeated back and forth up and down motion
Seismograph-Records the ground movements caused by seismic waves as they move through Earth.
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Frequency-A wave is the number of complete waves that pass a given point in a certain amount of time
Hertz (Hz) – Units of measurement for frequency
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Node-Destructive interference causes two waves to combine to produce an amplitude of zero.
Antinode-The crests and troughs of the standing wave.
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Primary waves-longitudinal seismic waves
Secondary waves-transverse seismic waves
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Reflection-When an object or wave hits a surface through which it cannot pass, it bounces back.
Angle of Reflection – Is the angle between the reflected waved and the imaginary line.
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Seismic Wave – Waves produced by earthquakes
Surface Waves-combination of transverse and longitudinal waves.
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Destructive Interference-When the amplitude of two waves combine with each other producing a smaller amplitude.
Constructive Interference-Whenever two waves combine to make a wave with a larger amplitude.
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Diffraction-The bending of waves around the edge of a barrier is known as a diffraction.
Angle of Incidents-Between the incoming wave and the imaginary perpendicular line.
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Wavelength-The distance between two corresponding parts of a wave.
Standing Wave-wave that appears to be standing still.
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Tsunami-Earthquakes that occur under water can cause huge surface waves on the ocean floor.
Amplitude – The maximum distance the medium carrying the wave moves away from its rest position.
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Interference-The effect that occurs when two or more waves meet.