Waves are disturbances that carry?, amplitude, energy, refraction, Sound waves are , compressional waves, light waves, frequency, Two types of waves, mechanical and electromagnetic, transverse waves, compressional waves, Which waves need a medium to travel through?, mechanical, nonmechanical, energy, Which phase of matter does sound travel the fastest and why?, solids because they are closer together, liquids because the particles are more spread out, gases because the particles are most spread out, Sound is made by , crest, amplitude, nonmechanical waves, a vibrating object, How is amplitude and energy related in a transverse wave?, the lower the amplitude the more the energy, the higher the amplitude the more energy the wave is carrying, Examples are light, gamma waves and x-rays, Where is the wave length located on a transverse wave?, from trough to trough, from crest to crest, from amplitude to amplitude, Transverse waves move, back and forth, up and down, by doppler effect, The highest point on a transverse wave, amplitude, crest, trough, What is reflection, The bouncing off, bends through something, bends around an object, A compressional wave is when,  the particles move in the same direction as the wave, spread out , movement of up and down, Frequency of a wave is, material that a wave travels through, when particles move in the same direction as the wave, measures the number of waves produced each second, What unit is used to measure frequency?, Hz, m/s, m, The frequency of a sound wave determines the , sound, pitch, pressure, frequency, Sound is measured in, decibels, m/s, meters, energy, Loudness depends on and this means pressure, doppler effect, diffraction, amplitude, When the sound hits an object and an echo comes back, sound waves, echolocation, doppler effect, Sound waves bunch up in front of a source causing a high pitch and spread out behind the source causing a low pitch, sound waves, echolocation, doppler effect, Radio waves , have the lowest frequency and the longest wavelengths, have the highest frequency and the shortest wavelengths, an example is a tanning bed, Have the highest frequency and the shortest wave length, ultraviolet waves, infrared rays, gamma rays, visible ligth, Light ways are?, mechanical and they need a medium, nonmechanical and do not need a medium.

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