Across
- 4. smallest layer of the earth
- 7. earth’s path around the sun
- 8. separation into different densities
- 10. Earth’s wobble
- 13. lines that run east to west
- 14. boundary between crust and upper mantle
- 16. largest layer of the earth
Down
- 1. earth is closer to the sun
- 2. just beneath the lithosphere
- 3. caused by rotation of liquid core
- 5. crust and top of mantle
- 6. distant stars are in the same position
- 9. the key to the seasons
- 11. the time from noon until noon
- 12. when the earth is far away from the sun
- 15. main element of the core