Wave - A disturbance that transfers energy from place to place., Medium - The material that waves travel through. A medium can be a gas, liquid, or solid., Frequency - The number of complete waves produced in a certain amount of time, Wavelength - describes how long the wave is., Higher frequency - means more energy, The amount of energy transferred by waves - is proportional to the frequency., Amplitude - is maximum distance a wave and move or the strength of a wave., The energy of the wave is proportional to - the square of the amplitude, if the height of the wave is doubled, - then it would have 4 times the energy!, Transverse - means “moving across”.Particles move across or perpendicular (90° angle) to the wave direction, Crest - The highest point of the wave, Trough - The lowest point of the wave, Compression - the part of the wave that is most compact., Rarefaction - the part of the wave that is most separated., Wavelength (Part of a Longitudinal Wave) - the distance between any point on a wave to the next identical one (from one compression to the next compression)., P waves are longitudinal waves - travel back and forth, S waves are transverse waves - travel up and down., Electromagnetic Wave - Waves that do not require medium to travel through.,

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