Across
- 3. this energy travels through empty space
- 5. a lens through which objects appear smaller and farther
- 6. allows light to travel through
- 8. does not allow light to travel through
- 9. light hits a hard medium and is bounced off at an opposite angle
- 10. light hits medium and is bent
Down
- 1. triangular piece of glass or plastic can bend light
- 2. describes straight lines traveled by light
- 4. a lens through which objects appear larger and closer
- 7. allows some light to travel through