PLATE TECTONICS
Across
- 2. movement of the edge of one tectonic plate under another.
- 3. a land mass that projects well above its surroundings; higher than a hill
- 6. the solid part of the earth consisting of the crust and outer mantle
- 7. molten rock in the earth's crust
Down
- 1. drift the gradual movement and formation of continents (as described by plate tectonics)
- 4. shaking and vibration at the surface of the earth resulting from underground movement along a fault plane or from volcanic activity.
- 5. a fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt