End of year

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Across
  1. 1. this science teacher has cats named Bookie, Jay, and Luna
  2. 4. the newer type of radio transmissions
  3. 5. a particle of light
  4. 7. this radiation was first observed in 1900 by Paul Villard
  5. 9. represented by the amplitude of a light wave
  6. 11. Ms. Skaronea’s dog
  7. 13. EM radiation with wavelengths slightly smaller than radio waves
  8. 15. this science teacher used to be a coroner’s officer
  9. 16. the type of proportion that exists between wavelength and frequency
  10. 17. this happens to light because it changes speed
  11. 18. EM radiation with the smallest wavelengths
Down
  1. 2. discovered by Sir William Herschel, when he passed white light through a prism and measuring heat beyond the visible light
  2. 3. represented by the frequency of a light wave
  3. 6. the first person to create radio waves
  4. 8. this type of wave involves particle motion that is perpendicular to energy motion
  5. 10. examples of this type of radiation include x-rays and gamma rays
  6. 12. the point on a standing wave with the lowest energy
  7. 14. first observed accidentally in 1895 by Wilhelm Conrad Röntgen