Vocab Crossword Puzzle

12345678910111213141516171819202122232425
Across
  1. 1. How many cycles occur in a amount of time
  2. 6. A measure of how well a sound can be heard
  3. 8. The particles of a medium vibrate in the same direction that the waves travels the same direction
  4. 12. Frequency is expressed in this
  5. 13. The distance from any point on a wave to an identical point on the next wave
  6. 15. Waves that have frequencies greater than 20,000 Hz
  7. 16. A reflected sound wave
  8. 19. A system that uses sound waves to determine the location of objects
  9. 20. The speed at which a wave travels
  10. 22. The most common unit to used to express loudness
  11. 23. When two or more waves overlap and combine to form one wave
  12. 25. A measure of how far the particles in the medium move away from their normal rest position
Down
  1. 2. Use of echoes or reflected sound waves to find objects
  2. 3. A longitudinal wave that is caused by vibrations
  3. 4. When a sound wave matches the natural frequency of a object
  4. 5. A wave of energy that is sent through the air
  5. 7. How high or low you think a sound is
  6. 9. A wave of energy that is sent through wires
  7. 10. Involing sound waves with a frequency above the upper limit of human hearing
  8. 11. The material through which a wave travels
  9. 14. A change in the observed frequency of a wave
  10. 17. A device that does not need a cord
  11. 18. The time required for one cycle
  12. 21. A wave of energy
  13. 24. A disturbance that transfers energy