Across
- 1. what holds the universe together
- 4. when the Moon appears to be completely dark
- 7. when the Sun, Earth, and Moon are in that order
- 9. there is a total of 4 of them
- 11. it has layers and the oldest is on the bottom and the youngest is on the top
- 12. when an object spins around another object
- 13. these are made of bones and archeologists look for them
- 15. when the Northern Hemisphere is pointed away from the Sun
Down
- 1. this is determined by the mass and how far away the object is
- 2. when the Moon appears to be completely light up
- 3. when an object spins around and around on its axis
- 5. another name for this is Jovian Planets
- 6. these are what makes layers of strata
- 8. another name for this is Terrestrial Planets
- 10. fossils are immediately covered by this to be able to form into fossils
- 14. when the Earth, Moon, and Sun are in that order
