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Across 2. Extrusive igneous rock which can float 4. Granite becomes __________________. 8. ______________ crystals form in fast cooling igneous rock. 11. Minerals are composed of _________________. 13. __________________ is the movemnet of rock fragments. 21. __________________________ becomes marble. 23. Rock made from cemented pieces of rock fragments. 24. Extrusive igneous rock which composes the oceanic crust. 25. Color is determined by a mineral's __________________. 26. The continental crust is mostly made of this intrusive igneous rock. 27. ___________ is the natural process of compacting sediments into rock.

Down 1. _______________ describes a minerals ability to reflect light 3. internal mantle rock 5. "fire "rock 6. Rock ____________ the process of changing one rock into another rock. 7. _____________ the most common igneous rock, comes in many colors. 9. external mantle rock 10. ______________ describes a mineral's scratch-ability 12. __________________________ becomes quartzite. 14. means never alive 15. Rock made within the Earth from intense heat and pressure. 16. _________________ igneous rock which forms within the Earth. 17. Shale becomes ___________________. 18. __________________is the breaking down of rocks into smaller pieces. 19. Extrusive glass-like igneous rock 20. _______________ or fracture describes how a rock or mineral breaks apart. 22. _________________ igneous rock which forms outside the Earth.