Across
- 3. Outer layer of earth including the upper mantle and crust.
- 5. Theory that all continents formed one big continent.
- 7. When tectonic plates spit apart from eachother in the ocean.
- 9. The continent formed when all continents are together
- 11. When two plates converge causing one of them to go beneath the other.
- 12. Formed at divergent boundaries and involve cold sea water being heated by hot magma.
- 13. New ocean floor created when tectonic plates spread apart in the ocean
- 15. When two plates com together.
Down
- 1. A tectonic plate that's mainly the continental crust.
- 2. Idea that landforms are created as a result of earths subterranean movements.
- 4. When two plates rub against each other.
- 6. When a tectonic plate goes beneath another one
- 8. Plates located beneath the ocean
- 10. Person who created the theory of continental drift.
- 14. When two plates move away from each other.