Space

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Across
  1. 7. These type of EM waves allow long distance communication.
  2. 9. The _____ depends on the relative position of the object emitting the waves and the observer.
  3. 10. These type of EM waves allow doctors to see if you have a broken bone.
  4. 12. These type of EM waves are the only wave we can see, and we see different colors depending on the wavelength of the wave.
  5. 14. These EM waves are using in medicine and to sterilize food and medical equipment.
Down
  1. 1. The shorter the EM wavelength is, the _____ the frequency.
  2. 2. These type of EM waves can cause sunburn.
  3. 3. Each electromagnetic wave can be measured by its frequency, energy, or _________________.
  4. 4. The longer the EM wavelength is, the _____ the frequency.
  5. 5. If the object moves towards the observer, the frequency of the EM wave increases. We call this
  6. 6. If the object moves away from the observer, the frequency of the EM radiation decrease. We call this
  7. 8. other than making objects look larger, telescopes also make objects appear _____.
  8. 11. These type of EM waves are used in a small kitchen appliance to heat food.
  9. 13. These type of EM waves are used for heat sensors and thermal imaging.