Across
- 4. divides Earth into N and S Hemispheres
- 5. longest and shortest day of the year
- 7. movement of Earth around the Sun
- 10. year with 366 days
- 11. winter, spring, summer, autumn
- 13. spinning of Earth on its axis
Down
- 1. 365 1/4 days
- 2. 90 degrees North and South latitude
- 3. name for March Equinox
- 4. equal day and equal night
- 6. division of Earth in two equal parts
- 8. 23.5 degrees slant of the Earth
- 9. source of Earth's energy
- 12. imaginary line passing through N and S Poles