Tykeisa Nesbitt WAVES 6th period

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Across
  1. 2. is the lowest point,or valley, of a wave.
  2. 4. the numbers of waves passing a fixed point in a certain amount of time.
  3. 6. is the distance between an line through the middle of a wave and a crest or trough
  4. 8. is the meeting and combining of waves.
  5. 9. is a wave that is produced by a vibrating object and travels through matter.
  6. 10. the direction in which the wave travels is perpendicular, or at right angles,to the direction of disturbance.
  7. 12. is the spreading out of waves through an opening or around the edge of an obstacle.
  8. 13. the bouncing back of a wave after it strikes a barrier is called reflection
  9. 17. the distance from one wave crest to the very next crest is called the.
  10. 18. is a rapid, back and forth motion.
  11. 20. waves that transfer energy through matter are know as.
Down
  1. 1. is the highest point,or peak, of a wave.
  2. 3. is the bending of a wave as it enter through a new medium at an angle of 90 degrees.
  3. 5. is any substance that a wave moves through.
  4. 7. the wave travels in the same direction as the disturbance.
  5. 11. is a disturbance that transfers energy from one place to another.
  6. 14. is one complete wave or, cycle per second.
  7. 15. sound waves in the range above 20,000 hertz are called.
  8. 16. the characteristic of highness or lowness of a sound is called.
  9. 19. is empty space