12.1.17

Hi!

Today in class we reviewed waves and started talking about different kinds of waves.

Take aways:

  1. All waves transfer energy
  2. All waves are a repeating pattern

Vocabulary:

  • Frequency- the rate of something that repeats over and over
  • Amplitude- the height of the peak above a resting line in a wave
  • Trough- the low point in the wave
  • Crest- the high point in the wave
  • Wavelength- the length of one wave from crest to crest or trough to trough
  • Node- a point in which a wave crosses the resting line

No Homework!

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