Crossword Puzzle

2. deposits evidence that leads to the idea that Antartica once experienced a tropical climate
8. destroyed at the subduction zone and melts in the mantle
11. waves that can only travel through the surface of the Earth
13. where seismic waves are recorded
14. the process in which the crust plunges back into earth
15. preserved remains or traces of organisms from the remote past
17. is the force that drives the plates to move around
18. it is made up of solid iron and nickel
20. he proposed the Seafloor Spreading together with Dietz

1. a Greek word which means "All Earth"
3. is the portion of motion of a tectonic plate that can be accounted for by its subduction
4. during this period Pangaea started to break into two smaller supercontinents
5. mantle-core boundary
6. the boundary that seperates the crust and the mantle
7. the outermost and thinnest layer of the Earth
9. the outermost rigid shell
10. branch of geology that deals with the that shaprs the Earth's crust
12. Gondwanaland and ______ are the two smaller supercontinent
16. a wave that cause the most damage to structures during an earthquake
19. evidence where the rock formations in Africa line up with that in South America as if it was a mountain range