Across
- 4. earths outermost layer
- 5. half of the earth
- 7. FE on the periodic table
- 11. runs from pole to pole
- 12. earths rigid outer shell
- 13. path of a planet around the earth
- 14. spinning motion around an axis
- 15. 0- degree latitude
Down
- 1. process that formed earths layers
- 2. solstice marks the start of summer
- 3. core solid metal center of earth
- 6. occurs around January 3rd
- 8. core earths molten metal shell
- 9. runs parallel to the equator
- 10. boundary between crust and mantle