Across
- 5. Consists of all of the crust as well as the upper, rigid part of the mantle
- 6. Boundary formed by by collision of two plates (collide, crash, collision)
- 8. Ring of volcanoes around that Pacific Plate
- 9. Theory explaining how tectonic plates move and change shape
- 10. German scientist who developed the theory of continental drift
- 11. Process of new oceanic crust forming as magma rises toward the surface and solidified
- 12. Occurs when two tectonic plates collide, and one plate moves under the other and sinks into the mantle
Down
- 1. The broken up pieces of the lithosphere
- 2. Boundary between two plates that are scraping past each other (slide, scrape)
- 3. Boundary between two plates moving away from each other (separate, divide)
- 4. The landmass that existed when all continents were joined together
- 6. Hypothesis that the continents one formed a single land mass, broke up, and drifted to their present location
- 7. places where tectonic plates meet