Across
- 3. is the motion of one object around another
- 4. an imaginary line around the middle of a planet or other celestial body
- 5. dark area on the moon
- 8. one of the four phases of the moon when earth lies between the sun and moon
- 13. the sliver of the moon occurs when illuminated half of the moon
- 16. layers the core,mantle,crust
- 17. it happens on or around the 21st days of certain months of the year
- 19. between half moon and full moon
- 20. the world we live on
Down
- 1. the invisible phase of the moon
- 2. the many pieces pull each other into orbits
- 6. sunlight shines equally on the northern and southern hemisphere
- 7. an early version of earth is struck by a slightly smaller space body
- 9. the darkest part of the earth
- 10. patterns of temperature changes and weather trends
- 11. seems to consist of iron and other metals
- 12. big heat ball
- 14. occurs when a shadow makes the sun or moon seem to grow dark
- 15. occur when the moon gravity changes the shape of Earth's ocean
- 18. of rotation the ends of the axis are the north and south poles