Crossword Puzzle

2. branch of geology that deals with the that shaprs the Earth's crust
5. is the force that drives the plates to move around
7. destroyed at the subduction zone and melts in the mantle
9. the process in which the crust plunges back into earth
10. preserved remains or traces of organisms from the remote past
12. mantle-core boundary
14. Gondwanaland and ______ are the two smaller supercontinent
15. the outermost and thinnest layer of the Earth
16. he proposed the Seafloor Spreading together with Dietz
17. deposits evidence that leads to the idea that Antartica once experienced a tropical climate
18. a Greek word which means "All Earth"
19. evidence where the rock formations in Africa line up with that in South America as if it was a mountain range
20. a wave that cause the most damage to structures during an earthquake

1. it is made up of solid iron and nickel
3. where seismic waves are recorded
4. the boundary that seperates the crust and the mantle
6. waves that can only travel through the surface of the Earth
8. the outermost rigid shell
11. is the portion of motion of a tectonic plate that can be accounted for by its subduction
13. during this period Pangaea started to break into two smaller supercontinents