Semester Vocab Review

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