Across
- 4. is a kind of crystal
- 5. is molten rock
- 6. the thickness of the part of the core is 2250
- 7. is a mix of things like grass
- 10. is a theory and site the sloth has a song called the answer
- 11. is a metamorphic rock
- 13. is the ability of a mineral to resist being scratched
- 16. is a sedimentary rock
- 17. is the color of mineral
- 18. slow and gentle eruption
- 20. this was made from obsidian from native's
- 21. this property describes how a mineral reflects light from its surface
Down
- 1. The thickness of the part of the core is 5-10km
- 2. is the tendency of a mineral to break along a flat surface
- 3. this is what makes nuke core makes this
- 8. the thickness of the part of the core is 1280km
- 9. is a igneous rock
- 12. is the tendency of a mineral break along not a flat surface
- 14. is named quartz
- 15. the thickness of the part of the core is 2900km
- 19. is what Native American use to make arrow heads