Physics is PHUN

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Across
  1. 6. material in which charges are not free to move
  2. 8. unit of magnetic field
  3. 9. number of oscillations per unit time
  4. 11. the change in pitch due to the relative motion between a source of sound and the person hearing the sound
  5. 13. the amount of sound energy passing through a given area in a given time
  6. 15. light of a single color/frequency
  7. 16. material that allows charges to move freely
  8. 18. the frequency of the corresponding sound wave
  9. 19. the geographic pole that the north end of a bar magnet points to
  10. 20. an electrical device in which a long wire is wound into a succession of closely spaced loops
Down
  1. 1. represented by the variable A
  2. 2. 343 m/s
  3. 3. electromagnetic waves with frequencies above 10^20 Hz
  4. 4. a filter tha transmits light waves with only one direction of polarization
  5. 5. the bending of a wave around a barrier or through an opening
  6. 7. the electromagnetic waves that our eyes can detect
  7. 10. sounds with a frequency greater than 20,000 Hz
  8. 12. the sharpness of vision
  9. 14. charge of an electron
  10. 17. a particle of light that carries energy but has no mass