Across
- 1. made up of one or more minerals
- 5. center part of the earth that is shaped like a round ball
- 6. the shine of a mineral or how it reflects light
- 7. color color left by a mineral when rubbed on another surface
- 8. melted rock that is underground
- 12. rocks that form from sand, shells, and other material being pushed together
- 16. cloudy, some light gets through
- 17. rocks from magma
Down
- 2. no light gets through
- 3. clear, can see through
- 4. rocks that have been changed because of heat and pressure
- 9. nonliving solid matter from the earth that has the same chemical makeup and crystal shape
- 10. outer layer of the earth
- 11. a person who studies rocks and minerals
- 13. melted rock that comes above ground
- 14. a mineral's resistance to scratching
- 15. middle layer of the earth