Unit 3 & 4

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Across
  1. 6. the time required for one cycle to occur.
  2. 7. caused by vibrations and travels through a medium
  3. 13. a wave in which the particles travel perpendicular to the wave.
  4. 15. unit to express loudness
  5. 17. carries individual units of information in bits of time
  6. 18. the transfer of information from one person to another.
  7. 19. A wave in which the particles travel parallel to the wave.
Down
  1. 1. how far the particles in a wave move from their normal rest position.
  2. 2. a wave that does not require a medium to travel through.
  3. 3. the speed at which a wave travels.
  4. 4. a material through which a wave travels.
  5. 5. a wave which requires a medium to travel through.
  6. 8. Something that carries energy from one place to another.
  7. 9. the distance from one point on a wave to another identical point.
  8. 10. how many cycles occur in a given amount of time.
  9. 11. a measure of how well a sound can be heard.
  10. 12. a continuous wave that may vary in strength
  11. 14. frequency is expressed in this unit.
  12. 16. how loud you think a sound is