Irish Physical Science C. 15 Waves

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354
Across
  1. 5. type of wave where the medium moves perpendicular to the direction of the wave energy
  2. 9. amplitude of a sound waves determines how ______ it is
  3. 11. type of wave where the medium moves parallel to the energy
  4. 12. lower than the frequency we can hear
  5. 13. higher than the frequency we can hear
  6. 16. effect that shows how frequency can change due to motion of the transmitter or observer
  7. 19. relationship between frequency and period
  8. 20. where particles are far apart in a longitudinal wave
  9. 22. determined by the frequency of a sound wave
  10. 25. we see different wavelengths of light as _____
  11. 27. occurs when waves interact
  12. 30. type of waves that occur at a boundary between 2 different mediums
  13. 32. type of reflection off of a rough surface that does not allow an image to form
  14. 33. _______ of a wave equals frequency x wavelength
  15. 35. low frequency light is ______
  16. 37. how long it takes for 1 wave to pass
  17. 38. unit of frequency
  18. 42. disturbance that carries energy
  19. 43. as a train approaches the pitch gets ______
  20. 45. interference where the amplitude gets greater
  21. 47. term that means speed of sound
  22. 50. type of electromagnetic wave that our eyes can detect
  23. 52. how large a wave is from crest to crest
  24. 53. where particles are close together in a longitudinal wave
  25. 54. how the angle of incidence compares to the angle of reflection
Down
  1. 1. height, depth, or energy of a wave
  2. 2. bouncing back of a wave
  3. 3. matter that a wave travels through
  4. 4. shape of the movement of particles in a surface wave
  5. 6. speed of sound in a _____ is the greatest because particles are close together
  6. 7. waves are caused by _________ particles
  7. 8. Greek letter representing wavelength
  8. 10. interference where the amplitude gets less
  9. 14. waves that do not need a medium
  10. 15. longest wavelength electromagnetic waves
  11. 17. angle that a wave hits a barrier
  12. 18. when a vibrating system is made less by passing on energy to the next system, we say it is ________
  13. 21. speed of _____ is 775 mph
  14. 23. highest part of a wave
  15. 24. number of waves per second
  16. 26. bending of waves around an edge or through an opening
  17. 28. simple _______ motion means a system that keeps repeating the same motion
  18. 29. the 5 second rule can be used to estimate how far away _______ is
  19. 31. type of reflection that allows an image to form
  20. 34. ability to do work
  21. 36. electromagnetic radiation (heat) just outside of visible light on the red end
  22. 39. bending of a light wave due to a change in medium
  23. 40. lowest part of a wave
  24. 41. type of wave that needs a medium to travel
  25. 44. mechanical earthquake waves
  26. 46. all of the waves that can travel without a medium are called the electromagnetic _____
  27. 48. high frequency light is ______
  28. 49. can result from interference in sound waves
  29. 51. speed of sound in a ____ is the slowest because particles are far apart
  30. 52. the bigger a wave is, the more _______ it can do