Across
- 3. The process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary
- 4. Stress that pushes a mass of rock in opposite directions
- 5. Stress that squeezes rock until it folds or breaks
- 7. Stress that stretches rock so that it becomes thinner in the middle
- 9. The name of the single landmasses that broke apart 200 million years ago and gave rise to today's continents
- 10. Elongate depression of the Earths surface
- 12. The hypothesis that the continents slowly move across Earths surface
- 13. A plate where 2 plates move toward each other
- 14. Long, narrow depression on the seafloor that forms at the boundary of tectonic plates where one plate is pushed, or subducts, beneath another
Down
- 1. A series of extremely low waves caused by a large and sudden displacement of the ocean, usually the result of an earthquake below or near the ocean floor
- 2. A plate boundary where 2 plates move past each other in opposite directions
- 6. A landform that rises at least 1,000 feet or more above its surrounding area
- 8. A plate where 2 plates move away from each other
- 11. A major belt of volcanoes that rims the Pacific Ocean