Waves, Sound and Light

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Across
  1. 3. When a wave bends as it moves into a new medium.
  2. 6. A scale that measures the strength of an earthquake.
  3. 7. The distance between two matching points on a wave (like crest to crest).
  4. 8. A surface wave that rolls like ocean waves.
  5. 11. Sudden movements of Earth’s crust.
  6. 14. Anything that has mass and takes up space.
  7. 15. Matter with particles spread far apart.
  8. 17. A wave where particles move back and forth in the same direction as the wave.
  9. 19. Wave – A long-wavelength electromagnetic wave used for communication.
  10. 23. An electromagnetic wave used in cooking and communication.
  11. 24. A type of wave that can travel through space without matter.
  12. 25. A tiny particle of light that carries energy in an electromagnetic wave.
  13. 26. The way a wave moves or travels through space or matter.
  14. 30. When an object vibrates strongly because it matches a wave’s frequency.
  15. 32. Giant ocean waves caused by underwater earthquakes.
  16. 34. A surface wave that moves the ground side to side.
  17. 36. Matter that flows but keeps volume.
  18. 37. When a wave bounces off a surface.
  19. 39. How fast a wave travels.
  20. 41. A unit used to measure sound intensity.
  21. 43. The number of waves that pass a point in one second.
  22. 45. The fastest seismic wave; travels through solids and liquids.
  23. 46. A wave of energy released during an earthquake.
Down
  1. 1. A wave where particles move up and down, perpendicular to the wave’s direction.
  2. 2. The highest-energy electromagnetic waves.
  3. 4. Materials that waves travel through.
  4. 5. Electromagnetic waves felt as heat.
  5. 9. When energy from a wave is taken in by a material.
  6. 10. Empty space with no matter.
  7. 12. A system that uses sound waves to detect objects underwater.
  8. 13. When a wave passes through a material.
  9. 16. High-energy waves used to see inside the body.
  10. 18. When a wave spreads out after passing through an opening or around an object.
  11. 20. The height of a wave from the rest position; shows energy.
  12. 21. Determined by different wavelengths of visible light.
  13. 22. Electromagnetic waves from the sun that can cause sunburn.
  14. 25. How high or low a sound is (depends on frequency).
  15. 27. The lowest point of a transverse wave.
  16. 28. A type of wave that must travel through matter.
  17. 29. A movement of energy through space or through a medium.
  18. 31. Matter with tightly packed particles.
  19. 33. A seismic wave that moves side to side and only travels through solids.
  20. 35. Light – The part of the electromagnetic spectrum humans can see.
  21. 38. The quality or character of a sound.
  22. 40. The ability to do work or cause change.
  23. 42. The full range of electromagnetic waves.
  24. 44. The highest point of a transverse wave.