Across
- 3. ridge: An undersea mountain range where new ocean floor is produced created by a divergent plate boundary.
- 4. field: The area of magnetic force around a magnet.
- 5. Wegner: A German scientist who proposed the theory of continental drift.
- 8. drift: Sections of the earth's crust that moves due to convection currents.
Down
- 1. spreading: The process that creates new sea floor as plates move away from each other at the mid-ocean ridge.
- 2. A supercontinent containing all of earths land that existed about 225 million years ago.
- 6. The preserved remains or traces of an organism that lived in the past
- 7. Hess: proposed the theory of mid-ocean ridge.