Crossword Puzzle

8. mantle-core boundary
10. deposits evidence that leads to the idea that Antartica once experienced a tropical climate
11. Gondwanaland and ______ are the two smaller supercontinent
12. is the force that drives the plates to move around
13. destroyed at the subduction zone and melts in the mantle
14. he proposed the Seafloor Spreading together with Dietz
16. the process in which the crust plunges back into earth
18. the outermost and thinnest layer of the Earth
19. waves that can only travel through the surface of the Earth

1. a wave that cause the most damage to structures during an earthquake
2. during this period Pangaea started to break into two smaller supercontinents
3. is the portion of motion of a tectonic plate that can be accounted for by its subduction
4. where seismic waves are recorded
5. it is made up of solid iron and nickel
6. branch of geology that deals with the that shaprs the Earth's crust
7. a Greek word which means "All Earth"
9. the boundary that seperates the crust and the mantle
11. the outermost rigid shell
15. preserved remains or traces of organisms from the remote past
17. evidence where the rock formations in Africa line up with that in South America as if it was a mountain range