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LSH Pscience 10


Wave A repeating disturbance transferring energy
Medium Any material a wave travels through
Transverse Wave A wave that displaces material at right angles to the wave's direction
Compressional Wave A wave that that displaces material in line with the wave's direction
Mechanical Wave A wave that requires matter to travel
Crest The high point of a transverse wave
Trough The low point of a transverse wave
Rarefaction The less dense region of a compressional wave
Compression The high density region of a compressional wave
Wavelength The distance between two identical points in adjacent waves
Frequency The number of waves that pass a point in a second (waves/time)
Period The time it takes for one wavelength to pass a point (time/wave)
Amplitude A way of measuring the energy carried by a wave
Reflection The bouncing of a wave off a surface
Refraction The bending of a wave as its speed changes moving from one medium to another
Diffraction The change in direction of a wave as it bends around an object
Interference Two or more waves overlap and form a new wave
Absorption The energy of a wave is transferred into a material