Conservation of energy - the basic idea
Simple harmonic motion
Properties of a wave
harmonics on a string (lambda = 2L/n)
harmonic number and drawing waves
wave speed (v = f lambda)
for light, c = f lambda
types of waves: mechanical, EM
organ pipes, open on both ends (and closed on one end)
music - the basics (octaves, how to get to the next note on the piano)
EM spectrum
Doppler effect, red shift, blue shift
reflection
refraction: index of refraction, bending of light
total internal reflection
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