Across
- 2. Approximately begins on September 22nd
- 3. Day is based on the distant stars
- 7. A point where earth is closest to the Sun
- 8. 55% of Earth's surface
- 10. Longer day by about 4 minutes
- 11. Meets at the north and south poles
- 14. North receives the least direct sunlight
- 15. The separation of Earth into layers based on density
- 16. Caused by the rotation of the liquid outer metallic core
Down
- 1. Period with the longest hours of daylight
- 4. Layer is 1800 miles thick
- 5. Shifts from being slightly tipped away from to Sun to slightly tipping towards
- 6. Where volcanos get their lava
- 9. Another name is Parallel
- 12. Divides Earth into Northern and Southern hemispheres
- 13. Densest layer of the Earth