What is a wave?, A hand signal to say hello!, An oscillation or vibration that transfers energy, The distance from the middle to the top of the wave is called the..., Wavelength, Trough, Amplitude, The top of the wave is called the.., Peak or Crest, Frequency, Amplitude, The distance from one point on a wave to the same point on the next wave is called the..., Amplitude, Wavelength, What is the frequency?, The bottom of the wave, The number of waves that go past a particular point per second, What is the trough?, Top of the wave, Bottom of the wave.

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