Amplitude - The distance from the middle to the top of a wave, Frequency - The number of waves that go past a particular point per second, Wavelength - The distance from one point on a wave to the same point on the next wave. , Oscillation - A back and forth movement , Transverse - Oscillation is at a right angle (perpendicular) to the direction of the wave. , Longitudinal - Oscillations go back and forth, in the same direction that the energy is moving. , Waves - How energy is transferred from one place to another. , Echo - A reflection of a sound wave. , Superpose - When waves intercept and add together!, Medium - A substance through which a wave can travel. , 343m/s - The speed of sound (in air), 300000000m/s - The speed of light (in a vacuum), Hertz - The unit of measurement of frequency. , Pitch - How high or low a sound is, depends on frequency. , Ultrasound - A very high frequency sound, Supersonic - Travelling at a speed faster than the speed of sound. , Ear - Detects sound waves, Pinna - Directs sound wave inside the ear, Ear drum - A thin membrane which vibrates when a sound wave is present ,

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