Across
- 2. cycle Continuous process
- 6. rock Formed when magma cools and solidifies
- 10. Two additional layers
- 12. boundary Plates that slide past each other
- 14. Trembling and shaking of the earth
- 15. Made up of two layers
- 16. Outermost layer
Down
- 1. Lava erupts from it
- 3. rock Compaction and cementation
- 4. boundary They crash into each other
- 5. boundary moves apart from each other
- 7. Thickest layer
- 8. plates Several large slabs
- 9. boundary The meeting point of two tectonic plates
- 11. building Forms mountains
- 13. Rock Formed by extreme heat and pressure