Across
- 5. Type of rock made from sediment
- 6. Continental ___ theory, idea originally by Alfred Wegener
- 9. __ Plate
- 11. Boundary where two plates move past each other
- 14. The continent that held all the modern continents
- 15. One of earth's spheres, contains rocks and plants
- 16. The man who came up with the continental drift theory
- 18. Broken down sediment that is deposited
- 19. Event caused by movement of tectonic plates
- 20. Event caused by tectonic plates that spews lava
Down
- 1. Small broken pieces of rock
- 2. The process of rocks breaking down
- 3. Type of rock made from cooled lava
- 4. One of earth's spheres, contains water
- 7. Boundary where two plates move away from each other
- 8. The movement of broken down rocks
- 10. Boundary where two plates move towards each other
- 12. Melted rock that is underground
- 13. Melted rock that is above ground
- 17. Type of rock created by lots of heat and pressure