Physical Science Chapter 15

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Across
  1. 3. The lowest point of a wave
  2. 5. The combination of two or more waves that result in one wave
  3. 9. A wave with oscillating electric and magnetic fields that move at the speed of light
  4. 10. The bouncing back of a wave when it meets a surface
  5. 11. The time it takes for a complete wave oscillation to occur
  6. 12. a pattern of vibration that simulates a wave that is standing still
  7. 13. the highest point of a wave
  8. 15. A wave that needs a medium to travel
  9. 16. The bending of waves as the pass from one medium to another
  10. 19. When two waves meet and cause an increased amplitude
Down
  1. 1. the maximum distance that the particles of a wave change from their rest position
  2. 2. When a crest and trough of seperate waves meet and level out equally
  3. 4. A wave in which the particles in the medium move perpendicular to the direction of the wave.
  4. 6. an observed change in the frequency of a wave when the source or observer is moving
  5. 7. A wave in which the particle move parallel to tho the direction of the wave
  6. 8. A change in the direction of a wave when it hits an obstacle or edge
  7. 14. The distance from a point to an identical point on a wave
  8. 17. the number of vibrations per unit of time; also the number of waves produced in a certain amount of time
  9. 18. A physical environment in which phenomena occur