Waves, Sound, and Light

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Across
  1. 3. A wave is the number of times the pattern repeats in a given time
  2. 5. When a wave changes direction and it starts to speed up while moving from one medium to another
  3. 8. Lens that are thicker in the middle but the edges are thin
  4. 9. A piece of glass material cut with precise angles and plane faces
  5. 11. Is the passage of a wave through a medium
  6. 14. The distance between one point on a wave to the same point on the next wave is the wavelength
  7. 15. When a material doesn't let light through
  8. 16. A lens that is thicker in the edges than in the middle
  9. 17. Type of wave where the particles in a medium to move parallel to the direction that the wave travels
  10. 18. Transfers energy by a wave
Down
  1. 1. The lowest point of a wave
  2. 2. Is the bouncing of a wave off a surface
  3. 4. The change of direction by a wave when an object is moving by the edge of the object
  4. 6. Type of wave that travels only through matter
  5. 7. When a wave is the maximum distance that the wave moves from it's rest position
  6. 10. Objects that are see-through
  7. 11. An object that appears blurry
  8. 12. A material in which a wave travels
  9. 13. Type of mirror with a flat surface that produces an erect visual image of a real object where front and back are reversed
  10. 17. A transparent object with at least one curved side that causes light to change direction