Across
- 2. - a plate boundary where two plates move past each other in opposite directions, e.g. San Andreas Fault
- 5. - a break or crack in Earth's lithosphere along which rocks move
- 7. - an inclined zone in which many deep earthquakes occur, situated beneath a destructive plate boundary where oceanic crust is being subducted.
- 9. - a deep valley along the ocean floor through which oceanic crust slowly sinks toward the mantle
- 10. - the soft layer of the mantle on which the lithosphere floats
- 13. - undersea mountain chain where new ocean floor is produced
Down
- 1. – caused from conservative and divergent margins
- 3. - a deep valley that forms where two plates move apart
- 4. - process by which molten material adds new oceanic crust to the ocean floor
- 6. – a rigid layer made up of the uppermost part of the mantle and the crust
- 8. - a plate boundary where two plates move toward each other, e.g. Caribbean Islands; the Himalayas and the Andes
- 11. - process by which oceanic crust sinks beneath (under) a deep ocean trench and back into the mantle
- 12. - a plate boundary where two plates move away from each other, e.g. Mid-Atlantic ridge and triple junction
