EM Spectrum

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Across
  1. 3. think of food
  2. 5. doctors take these!
  3. 6. size of molecules
  4. 7. light waves we can see
  5. 8. if you want to listen to music...lectomagneticspectrum the name of this crossword
Down
  1. 1. the overall topic
  2. 2. used to kill cancer cells
  3. 4. the color of apples