Semester Vocab Review

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Across
  1. 2. sound travels the slowest in this type of medium
  2. 4. wavelength multiplied by frequency
  3. 6. how you become charged by placing your hands on the Van de Graaf generator
  4. 8. poor electrical conductors
  5. 9. light just below the visible spectrum
  6. 12. forces arise from charged particles
  7. 14. frequencies too low to hear by humans
  8. 17. light travels slowest in this type of medium
  9. 19. materials that do not transmit light
  10. 20. stationary points on a standing wave
  11. 21. concave mirror
  12. 23. materials that completely transmit light
  13. 24. low points on a wave
  14. 26. high points on a wave
  15. 28. when two colors of light produce white
  16. 30. charge cannot be created nor destroyed
  17. 33. like charges
  18. 34. light just above the visible spectrum
  19. 35. highest frequency on the EM spectrum
  20. 38. how a negatively charged balloon can pull a can
  21. 39. the unit for charge
  22. 40. the number of oscillations per second
  23. 42. unit for frequency
Down
  1. 1. converging lens
  2. 3. opposite charges
  3. 5. electric charge can flow through these materials
  4. 7. frequencies too high to hear by humans
  5. 10. a type of wave that oscillates perpendicular to the direction of the wave
  6. 11. the distance between two identical successive points on a wave
  7. 13. high pressure region of a sound wave
  8. 15. red and green light
  9. 16. longest wavelength on the EM spectrum
  10. 18. convex mirror
  11. 22. occurs when a vibration matches the natural frequency of an object
  12. 25. low pressure region of a sound wave
  13. 27. when two waves intersect constructively or destructively
  14. 28. blue and green light
  15. 29. sound is this type of wave
  16. 31. red and blue light
  17. 32. How a Van de Graaf generates electrical charge
  18. 36. sound cannot travel in
  19. 37. diverging lens
  20. 41. word for frequency of sound