The Electromagnetic Spectrum

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Across
  1. 4. the spectrum that is used to determine the length of a wave
  2. 7. About the size of a pinpoint
  3. 8. We can use this to see through human skin
Down
  1. 1. Often referred to as UV
  2. 2. Is about the size of an atomic nuclei
  3. 3. The only type of wavelength that we can see
  4. 5. The lowest frequency wave on the spectrum
  5. 6. Has a frequency of roughly 10 to the 8th