different waves
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8 Terms
1
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longitudinal wave
the vibrations are in the same direction as the wave is traveling. The places where the springs are closer are called compression, high pressure and when the springs are further apart are called rarefaction, low pressure.
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eg of longitudinal wave
sound waves
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transverse wave
vibrations are at right angles to the direction the wave is travelling
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eg of transverse wave
microwave, light wave, Mexican wave
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how do we hear
sound waves sent by vibrations
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what does sound need
air to vibrate so if air was decreased sound would decrease too
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what happens when amplitude is increased
the sound gets higher and louder.
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what happens when the frequency is increased
the sound gets higher and faster
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