Across
- 4. The slow, movement of continents across Earth's surface.
- 6. Outer layer that includes the crust & upper mantle
- 9. Weak, ductile layer situated beneath the lithosphere.
- 10. Condition where solids are allowed to flow or change shape.
Down
- 1. Area of seismic activity around the Pacific ocean.
- 2. Moving pieces of the lithosphere on Earth's outer layer.
- 3. Solid layer of earth between the core and the crust.
- 5. Narrow depressions on the seafloor.
- 7. Supercontinent millions of years ago.
- 8. Process in which hot material rises as cooler materials sink.