Semester Vocab Review

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