WAVES

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Across
  1. 3. THE USE OF ECHOES, OR REFLECTED SOUND WAVES TO FIND OBJECTS
  2. 7. A WAVE TELLS HOW MANY CIRCLES OCCUR IN AN AMOUNT OF TIME
  3. 8. A MEASURE OF HOW FAR THE PARTICLES IN THE MEDIUM MOVE AWAY FROM THEIR NORMAL REST POSITION
  4. 10. WHEN PARTICLES MOVE PERPENDICULARLY TO THE DIRECTION THE WAVE TRAVELS
  5. 12. THE MOST COMMON UNIT USED TO EXPRESS SOUND
  6. 16. A CHANGE IN THE OBSERVED FREQUENCY OF A WAVE WHEN THE SOUND SOURCE, THE OBSERVER, OR BOTH ARE MOVING
  7. 17. THE MATERIAL THROUGH WHICH A WAVE TRAVELS
  8. 18. A SYSTEM THAT USES SOUND WAVES TO DETERMINE THE LOCATION OF OBJECTS OR TO COMMUNICATE
  9. 19. THE DISTANCE FROM ANY POINT ON A WAVE TO AN IDENTICAL POINT ON THE NEXT WAVE
  10. 20. A DISTURBANCE THAT TRANSFERS ENERGY FROM ONE PLACE TO ANOTHER
Down
  1. 1. HOW HIGH OR LOW YOU THINK A SOUND IS
  2. 2. A MEASURE OF HOW WELL A SOUND CAN BE HEARD
  3. 4. PARTICLES MOVE BACK AND FORTH IN THE SAME DIRECTION THE WAVE TRAVELS OR PARALLEL TO THE WAVE
  4. 5. THE SPEED AT WHICH A WAVE TRAVELS
  5. 6. WHEN A SOUND WAVE MATCHES THE NATURAL FREQUENCY OF AN OBJECT AND CAUSES THE OBJECT TO VIBRATE
  6. 9. A REFLECTED SOUND WAVE
  7. 11. THE WAY IN WHICH FREQUENCY IS EXPRESSED
  8. 13. WHEN TWO OR MORE WAVES OVERLAP AND COMBINE TO FORM ONE WAVE
  9. 14. WHEN ANIMALS USE ECHOLOCATION
  10. 15. A LONGITUDINAL WAVE TAT IS CAUSED BY VIBRATIONS AND TRAVELS THROUGH A MEDIUM