Across
- 2. Magma that reaches the earth's surface
- 4. Layer of gases that surround the earth
- 8. is the Softest mineral on the Moh scale
- 10. Molten rock inside the mantle
- 12. Solid part of the earth
- 13. Splitting of a mineral into pieces with uneven surfaces
- 14. An item used for scrapping and rubbing
- 15. Scale used to measure a mineral's hardness
- 16. Rives, lakes, ponds, oceans...
- 17. is the Hardest mineral on the Moh scale
Down
- 1. The core is made up of ______ and iron.
- 2. A way a mineral reflects light from a surface, shiny
- 3. Rock that formed from melted minerals
- 5. Hot layer below the earth's crust
- 6. is a natural solid substance that has a definite shape
- 7. What rock is made out of
- 9. Splitting of a mineral into pieces with smooth, flat surfaces.
- 10. The study of the atmosphere
- 11. Surface of the earth is called the ______