Across
- 2. the part of the crust split into 7 major parts and 6 smaller ones
- 4. solid rock resulting from a volcanic eruption
- 7. the person to discover continental drift
- 9. the processes that control the earth's structure
- 10. when plates collide creating volcanoes or earthquakes
- 11. this is what earthquakes produce
Down
- 1. the upper mantle and the crust create this
- 3. plates divide or separate from each other
- 5. this occurs on convergent plate boundaries
- 6. the way the continents are constantly moving
- 8. who created the theory that the plates could drift
- 12. fluid material within earth's crust