Across
- 3. the outermost layer of the earth
- 5. a state of rest or balance
- 6. the study of how Earth's lithospheric plates interact
- 8. a crack in the earth's crust along which movement occurs
- 9. the melted rock inside Earth
- 10. the solid rock layer beneath the subsoil
- 11. the process by which rocks are gradually broken down
- 12. the upper layer of soil
Down
- 1. the thick layer of rock just below Earth's crust
- 2. the layer of soil beneath the topsoil
- 3. the circular movement of heated materials to a cooler area
- 4. the dense center of the earth
- 7. the horizontal layers of material