Across
- 3. A sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
- 4. A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
- 8. Two tectonic plates moving away from each other in opposite directions.
- 10. Where a plate with thinner oceanic crust descends beneath a plate with thicker continental crust.
Down
- 1. A connected series of mountains.
- 2. When two plates slide past each other.
- 5. A scientific theory that explains how major landforms are created as a result of Earth's subterranean movements.
- 6. Plate movement is caused by convection currents in the molten rock.
- 7. Two tectonic plates come together, converge and overlap.
- 9. Form when tectonic plates move apart.