Science vocabulary crossword

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Across
  1. 1. rapid back-and-forth motion that can occur in solids, liquids, or gases
  2. 3. transfer of energy by a wave to the medium through which it travels
  3. 6. maximum distance particles in a medium move from their rest position as waves pass through the medium
  4. 7. the study of how sound interacts with structures
  5. 9. reflected sound wave
  6. 10. change of pitch when a sound source is moving in relation to an observer
  7. 11. increase in amplitude that occurs when an object vibrating at its natural frequency absorbs energy from a nearby object vibrating at the same frequency
  8. 13. change in direction of a wave when it travels by the edge of an object or through an opening
  9. 17. wave changes direction, because its speed changes
  10. 18. combination of overlapping waves, resulting in a new wave
  11. 19. disturbance is perpendicular to the direction of the wave
  12. 20. pertaining to building or putting parts together to make a whole
  13. 21. vessel that takes blood away from the heart
  14. 22. bouncing of a wave off a surface
  15. 26. disturbance that transfers energy from one place to another
  16. 28. travels through empty space and matter
  17. 32. to keep from happening
  18. 33. lowest point on a transverse wave
  19. 34. perpendicular to or forming a right angle with a line or plane
  20. 35. where the particles are closest together
  21. 36. material in which a mechanical wave travels
Down
  1. 2. passage of light through an object
  2. 4. travels only through matter
  3. 5. system that uses the reflection of sound waves to find underwater objects
  4. 8. amount of sound energy that passes through a square meter of space in one second
  5. 12. a longitudinal wave that can only travel through matter
  6. 14. region of a longitudinal wave where the particles are farthest apart
  7. 15. number of wavelengths that pass by a point each second
  8. 16. perception of how high or low a sound seems
  9. 23. highest point on a transverse wave
  10. 24. distance from one point on a wave to the same point on the next wave
  11. 25. particles in the material that carries the wave move back and forth along the direction of the wave
  12. 27. angle of incidence equals angle of reflection
  13. 29. ability to cause change
  14. 30. collection of reflected sounds from the surfaces in a closed space
  15. 31. process an animal uses to locate an object by means of reflected sounds