Across
- 3. The process by which oceanic crust sinks beneath a deep ocean trench and back into the mantle at a convergent plate boundary
- 5. The name of the single landmass that broke apart 200 million years ago and gave rise to today's continents
- 6. Stress that squeezes rock until it folds or breaks
- 8. Elongate depression of the Earth's surface
- 9. Stress that pushes a mass of rock in opposite directions
- 11. A landform that rises at least 1,000 feet (300 meters) or more above it's surrounding area
- 12. of Fire A major belt of volcanos that rims the Pacific Ocean
- 13. A series of extremely long waves caused by a large and sudden displacement of the ocean, usually the result of an earthquake below or near the ocean floor
Down
- 1. Long, narrow depression on the seafloor that forms at the boundary of tectonic plates where one plate is pushed or subducts, beneath another
- 2. Boundary A plate boundary where two plates move away from each other
- 4. Boundary A plate boundary where two plates move toward each other
- 7. Stress that stretches rock so it becomes thinner in the middle
- 10. Drift The hypothesis that the continents slowly move across earths surface
