Across
- 2. bending of light
- 3. 365 days and 5 hours to go around the earth
- 5. no light let through material
- 7. look at the flag on the wall what is it transparent or translucent
- 9. s=d/t
- 10. what has the most energy at the top of a hill
- 11. energy that can travel through objects
Down
- 1. nearly all light let through material
- 4. bouncing off light
- 6. has the most energy going down a hill
- 7. has a happy face/smile but you can't see it
- 8. travels at 671 million miles around the earth