Waves

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Across
  1. 3. the change in wave frequency during the relative motion between a wave source and its observer
  2. 4. bottom most part of the wave
  3. 8. needs a medium to travel through
  4. 9. where can’t sound waves travel through
  5. 13. where can sound travel 4x faster in
  6. 14. propagated disturbance variation of pressure in a material medium
  7. 16. ability to do work
  8. 17. when two or more waves meet while traveling along the same medium
  9. 18. lower pitch has…
  10. 20. top-most part of the wave
  11. 22. a push of energy through a medium
  12. 24. locating distant or invisible things by sound waves
  13. 25. are formed when an electric field comes in contact with a magnetic field
  14. 26. instruments used to measure motion during earthquakes
Down
  1. 1. matter cannot be created or destroyed
  2. 2. the amount of energy a substance has left
  3. 5. Sound is measured in
  4. 6. what do vibrations travel through in the ear to hit the eardrum
  5. 7. a substance or material in which waves travel through
  6. 10. fastest type of wave
  7. 11. a wave that transfers up to down or side to side
  8. 12. equation for Newton's second law of motion
  9. 15. is a disturbance of energy that transfers the energy from place to place
  10. 19. uses soundwaves to produce pictures of the inside of the body
  11. 21. what wave doesn't need a medium to travel through
  12. 23. Newton's first law of motion