Across
- 1. March 21st
- 5. the point closest to the sun
- 9. Responsible for day and night
- 10. one full cycle of moon phases; 29.5 days
- 12. rotation that traces a cone
- 13. it's gravitational pull gives us tides
- 15. the process that provides plants with energy
- 17. lowest point
- 18. occurs during full moon and new moon
- 21. Responsible for seasons
- 22. December 21st
- 24. the point furthest from the sun
- 25. consists of electric and magnetic fields
Down
- 1. June 21st
- 2. The idea that the universe was created when a dense ball of matter exploded
- 3. produced by animals and humans, but used by plants
- 4. water levels are at their highest point
- 6. September 21st
- 7. the "nodding" of the Earth
- 8. center of mass between 2 objects
- 11. 23.5 degree angle
- 14. produced by plants, but used by animals and humans
- 15. dwarf planet
- 16. occurs at 1st quarter moon and 3rd quarter moon
- 19. the moon's motion about the earth
- 20. where photosynthesis occurs
- 23. what Earth rotates on
- 26. water levels are at
