ARJ Waves

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Across
  1. 1. sound waves with frequency above 20,000 Hz
  2. 3. shortest wavelength EM radiation
  3. 4. what waves may do when hitting an opaque surface
  4. 5. higher frequency than visible, longer wavelength than x-ray
  5. 8. EM radiation that keeps the Earth warm
  6. 11. what type of wave is a seismic S wave?
  7. 13. sound that elephants can here but you can't
  8. 14. EM used radiation for cooking or talking to satellites
Down
  1. 2. what waves may do when hitting a transparent surface
  2. 6. what waves may do when hitting an opaque surface
  3. 7. the fastest sort of seismic waves
  4. 9. speed divided by wavelength equals
  5. 10. a wave is an ..... that transfers energy
  6. 12. what type of wave is a sound wave?