Across
- 3. Continental _____ is near the shore and very gently sloping
- 5. Flat topped seamounts
- 7. Magnetic _____ are deviations from the average strength of Earth’s present day magnetic field
- 10. Shelf _____ is the abrupt transition from continental shelf to continental slope
- 11. Oceanic ______ are the deepest parts of the ocean
- 13. ______ ridges have no earthquake activity
- 16. Continental _____ is farther from the shore and steeply dipping
- 17. Consists of a jumble of large blocks of varied lithologies
- 19. Name given to the northern supercontinent containing North America, Greenland, and Eurasia
- 20. Boundaries where the plates slide laterally past each other
Down
- 1. _____ Plain is the flat area covering the majority of the deep ocean
- 2. Boundaries where new oceanic lithosphere forms
- 4. _____ wandering: Continents moved while the poles stayed relatively stationary
- 6. Rise above the abyssal plain
- 8. _____ point is the temperature where iron bearing minerals are magnetized
- 9. Hypothesized a former supercontinent he named Pangaea
- 12. Continental _____ is near the ocean floor and gently sloping
- 14. Name given to the southern supercontinent containing South America, Africa, India, Antarctica and Australia
- 15. _____ field lines of magnetic force
- 16. ____ Spreading provided a mechanism for continental drift
- 18. Continental _______ is the principal boundary between any continent and ocean basin