Across
- 3. the path an object goes around something
- 4. the slant or angle of an object
- 5. slow wobble of an object's axis
- 7. the spinning of an object
- 9. imaginary middle horizontal line through the earth
- 11. - center of the earth
- 12. complete orbit
- 13. boundary between the crust and mantle
Down
- 1. - the crust beneath oceans
- 2. the outer layer of the earth
- 3. - holds liquid metals
- 6. - Earth's rotation period relative to the Sun
- 8. - slow wobble of an object's axis
- 10. layer between crust and core
