The electromagnetic spectrum

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Across
  1. 3. your TV remote uses it
  2. 6. the graph that waves are on
  3. 8. lets doctors see your bones
Down
  1. 1. light you need it to see
  2. 2. helps heat your food
  3. 4. comes from the sun
  4. 5. has the shortest wave length
  5. 7. helps move data