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Unit 4 Waves Review

TermDefinition
Wave A disturbance that transfers energy from one place to place
Standing wave When an incoming wave combines with a reflected wave in such a way that the combined wave appears to be standing still
Energy A wave travels through a medium because this is passed from particle to particle
Mechanical waves Waves that need matter (medium) to transfer energy. Ex. waves in water & sound
Medium The material a wave travels through
Types of mediums Examples are: solid, liquid, gas, air, water, particles, strings
Transverse waves A mechanical wave in which energy causes the matter in the medium to move up and down or back and forth at right angles to the direction the wave travels. (Ex. waves in water)
Crest The highest point of a transverse wave
Trough The lowest point of a transverse wave
Frequency The number of waves that pass a given point
Hertz Hz, frequency is measured in this number of waves/second
Wavelength The distance between two corresponding parts of a wave
Amplitude The “height” of a transverse wave when viewed as a graph
Wave’s energy The wave’s amplitude reflects the __________
Longitudinal (Compressional) Waves A mechanical wave in which matter in the medium moves forward and backward along the same direction that the wave travels. (Ex. sound waves)
Compressions parts of the longitudinal wave that are close together
Rarefactions parts of the longitudinal wave that are spread out
perpendicular(at right angles) particles vibrate ______________ to the E (energy transfer) in a transverse wave
E Energy transfer
parallel particles vibrate _____________ to the E (Energy transfer) in a longitudinal wave
Created by: AmberSwink
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