Electromagnetic Spectrum

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Across
  1. 3. Can be seen by the human eye.
  2. 5. waves that have a electric and magnetic field.
  3. 7. Used to cook food.
  4. 8. Give off heat.
Down
  1. 1. Have the longest wavelengths.
  2. 2. Cause a sunburn.
  3. 4. Used to take pictures of bones.
  4. 6. Have the most energy.