Electromagnetic spectrum Crossword

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Across
  1. 2. Moderate frequency and used in remote controls
  2. 4. The only light waves we can see
  3. 5. Shorter wavelength than visible light and used to view the skeletal system
  4. 7. The lowest frequency waves that allow you to listen to your favorite station in the car
Down
  1. 1. Longer wavelength than infrared waves and used for heating food quickly
  2. 3. Shorter wavelength than visible light but longer than x-rays these waves can cause sunburn
  3. 6. The highest frequency wave often used to fight cancer