Across
- 7. thick layer of rock under the crust
- 8. core liquid that forms the center of the earth
- 9. magma that has reached earth's surface
- 10. hot melted rock inside the earth
- 11. the outer layer of the earth
- 12. pieces of the earth
Down
- 1. rocks formed from sediments or layers
- 2. core solid ball of metal in the center of the earth
- 3. a nonliving solid found in nature
- 4. rock formed from fire or magma
- 5. a scientist who studies rocks and minerals
- 6. rocks that have changed by heat and pressure