Across
- 2. Section of the earths crust that move due to convection currents
- 4. A dark, dense, igneous rock with a fine texture, found in oceanic crust
- 6. A usually light-colored igneous rock found in the continental crust
- 7. The process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary
- 8. The preserved remains or traces of an organism that lived in the past
Down
- 1. A super continent containing all earths land that existed about 225 years ago
- 3. A German scientist who proposed the theory of a continental drift
- 5. The area of a magnetic force around a magnet