Across
- 2. lava -molten rock that breaks the earth surface
- 3. elements -made of atom
- 5. -made of solid rocks and minerals
- 6. minerals -always solid
- 7. evaporation -can form of water solution
- 8. chemical -only one kind of atom.
- 10. shape -isometric system
- 12. -contain iron and chromium
- 13. -fractional percentage of soil mass
- 16. scale -used to identify minerals
- 18. -made of silicon and oxygen
Down
- 1. -essential mineral
- 4. magma -molten rock that is underground
- 5. -yellow crystal or powder
- 6. -any area where mineral resources are found.
- 9. edges -plate boundaries
- 11. -crystalline structure
- 14. -expressed in chemical formula
- 15. inorganic -chemical compound that do not carbon
- 17. color -colorless
