Sound & Light Vocab

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Across
  1. 4. A material that allows no light to pass through.
  2. 6. How high or low a sound is
  3. 7. A material that allows all light to pass through.
  4. 10. Light waves; waves move up and down allowing light to travel~
  5. 11. When waves reach a new medium and continue to travel straight through
  6. 12. When waves hit a new medium and bounce back to their source
Down
  1. 1. how loud or soft a sound is
  2. 2. When waves reach a new medium and bend from a straight path- Light ONLY.
  3. 3. Sound waves; particles in a medium compress to allow sound to travel (ccc C C C ccc C C C)
  4. 5. A material that allows some light to pass through.
  5. 8. The ability to do work or cause change
  6. 9. Material through which a wave travels