Across
- 3. Mid ocean ridges form _________chains
- 6. Crust farther away from the mid ocean ridge
- 8. Ocean that is geting larger every year
- 10. The name of wegener's supercontinent
- 12. The fossilized fern found in antartica
- 14. Pangaea was a single ______
- 15. Crust closer to the mid ocean ridge
- 16. Making new ocean floor (3 words)
Down
- 1. The man who proposed continental drift
- 2. Wegener's theory (2 words)
- 3. When Earth's magnetic poles change
- 4. Plates sink below other plates
- 5. Continent that fits next to S. America
- 7. Melted rock coming up to the ocean floor
- 9. Part of Earth with convection currents
- 11. Remains of plants and animals in stone
- 13. Used to map the ocean floor