Earth Crossword Puzzle

3. the man who was credited with the Continental Drift Theory
7. Ridges: under water mountain chains that run through earth
10. A flowing layer found in Earth's mantle
15. When tectonic plates move away from each other
16. when two tectonic plates slide by each other
18. field protects Earth from the cosmic rays and charged particles from the sun
19. Hess: Suggested a process of sea floor spreading

1. The center of the earth (very dense)
2. plate plates in the Earth that move constantly
4. Earth's complete body
5. When two plates crash and push into each other
6. the outside part of Earth's magnetic fieldtectonic
8. Drift: Theory that says tectonic plates are constantly moving
9. the rigid layer of earth that contains the crust and upper part of the mantle
11. When one tectonic plate goes under another tectonic plate
12. between Earth's crust and Earth's core
13. crust over the ocean
14. the name for how all of the continents were (theoretically) joined to make one big continent
17. core Surrounds the inner core and is mostly liquidy