Across
- 2. When plates collide
- 5. Big slab of irregularly shaped rock
- 7. Small portions analyzed
- 8. Sudden shaking of the ground
- 9. When plates move away from each other
- 12. Someone who studies earth
- 13. Visualization of the composition of eath
Down
- 1. Solid bulk of earth interior
- 3. Quantity measured
- 4. Rocks and minerals that shape the earth
- 6. Edges where two plates meet
- 8. Rocky crust
- 10. Global Positioning System
- 11. Studies life forms from previous periods
