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science waves

QuestionAnswer
wave a repeating movement that carries energy from one place to another
energy the ability to do work or cause change
medium the material a wave travels through
mechanical wave a wave that MUST travel through a medium
vibration a back and forth or up and down motion
transverse wave a wave where the particles move up and down while the waves move forward
crest the highest point of transverse wave
trough lowest point of the transverse wave
longitudinal wave a wave where particles move back and forth in the same direction the waves travel
compression the part of a longitudinal wave where particles are closer together
rarefaction the part of alongtitudinal where particles are spread out
amplitude how tall the wave is;shows the waves energy
wavelength the distance between to identical parts of a wave
frequency how many waves pass a point in one second
hertz(hz) the unit used to measure frequency
reflection when a wave bounces of a surface
refraction when a wave bends because it changes speed when entering a new medium
diffraction when a wave spreads out after passing through an opening or an object
interferance when two waves meet and interact with eachother
constructive interferance when waves combine to make a bigger wave
destructive interferance a wave combine and make a smaller wave or cancel eachother out
standing wave a wave that looks like its not moving,formed by two waves interfering
node a point on a standing wave where there is no movement
antinode a point on a standing wave where there is maximum movement
resonance natural when something vibrates strongly because it is hit with a frequency that matches its natural vibration frequency
Created by: user-1882132
 

 



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