Karen

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Across
  1. 2. the throwing back of a body or surface of light,heat or sound without absorbing.
  2. 3. the person, Heinrich Hertz proved the existence of electromagnetic waves.
  3. 7. a measurement of the amount of energy transferred by a wave.
  4. 8. Light electromagnetic radiation or waves.
  5. 9. The fact or phenomenon of light, radio waves, being deflected in passing obliquely.
  6. 11. The bottom of the wave.
  7. 13. a type of electromagnetic radiation.
  8. 14. conveys a specified impression heard.
Down
  1. 1. are a part of the electromagnetic spectrum.
  2. 4. The measurement of how long a wave is from crest to crest.
  3. 5. position of a single of a sound in the complete range of sound is higher or lower
  4. 6. an electromagnetic wave with a wavelength in the range 0.001-0.3m, shorter than that of a normal radio wave but longer than that of infrared radiation.
  5. 10. how often does the wave happen at low frequency.
  6. 12. The very top of the wave.