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