Waves, Sounds, & Light Crossword

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Across
  1. 1. When a wave changes directions as it travels around by the edge of an object or through an opening.
  2. 4. The number of times the pattern in a wavelength repeats in a given time.
  3. 5. Waves travel through this.
  4. 9. Transfer of energy by a wave to a medium.
  5. 11. Bouncing of a wave on a surface.
  6. 12. Most of the light passes through an object but the images are still blurry.
Down
  1. 2. Passage of a wave through a medium.
  2. 3. A transparent object with at least one curved side that makes light change direction.
  3. 6. Causes particles to move parallel in the direction the wave travels.
  4. 7. The change in direction of a wave as it changes speed while moving from one medium to another.
  5. 8. Zero light passes through these objects.
  6. 10. A wave that only travels under water.