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