Waves

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Across
  1. 2. the top of a wave.
  2. 6. the number of waves that pass a given point in a given amount of time.
  3. 7. state of matter with a density between that of a solid and a gas.
  4. 8. state of matter with the lowest density.
  5. 10. a space without matter or substance.
  6. 11. state of matter with the highest density.
  7. 12. the length of a wave.
  8. 13. how tightly packed particles are.
Down
  1. 1. matter that a mechanical waves travels through.
  2. 3. a wave that requires a medium to travel.
  3. 4. the height of a wave.
  4. 5. the bottom of a wave.
  5. 9. how fast a wave travels.
  6. 12. an oscillation that transfers energy from one point to another.