Across
- 5. where two plates collide pushing one beneath the other
- 7. records ground motion
- 10. shaking or trembling of the earth's surface
- 11. fit together like a puzzle piece
- 12. plate boundary that slides past each other
- 13. fracture in the earth's crust
Down
- 1. heat driven cycles that occur in air ocean and mantle
- 2. movement of continents over geological time
- 3. plate boundary that moves away from each other
- 4. volcanically active areas deep in the earth
- 6. plate boundary that collides
- 8. one continent that was formed about 200 to 300 million years ago
- 9. vibration that travels through the earth