Across
- 4. bottom of the ocean
- 8. movement of land masses
- 11. alter the shape
- 12. the lower layer of the crust
- 14. transmission of heat
Down
- 1. an increase of density
- 2. center of the earth
- 3. crack in the earth
- 5. outer layer of the earth
- 6. earth and mantle
- 7. also a crack in the earth
- 9. a line of mountains
- 10. german geolgist
- 13. transfer of heat