Science

2. annually to happen once a year
3. the change in the direction of light due to a change in the medium
5. Electromagnetic or light waves from from space are bent, causing what we see to be slightly different than what is actually there
9. height above a certain level; typically sea level
12. when light of energy passes through a medium and it’s deflected
14. an astronomical event where an object cannot have because it is blocked by a shadow of another of it.
15. having to do with the sun or sunlight

1. regularity in the world. Elements are related in a predictable manner
4. The force of gravity ;to pull objects with mass towards each other
6. in perspective observing or thinking of something in a different viewpoint.
7. a star in the constellation Ursa Minor or the “Little bear”
8. a distinct period or stage of events, the process change of or development
10. diurnally, occurring every day; happening during the day rather than at night.
11. determined by or resembling a moon
13. is commonly, referred as the North Star.