Plate tetonics

2. the thinnest layer of the Earth
3. barriers that divide t he plate tectonics
10. The original supercontinent made up of all other continents
11. Thickest layer of the earth
12. the denser, weaker layer beneath the lithospheric mantle
13. According to the Theory of Continental Drift, the British Isles Scandinavia and the Caledonian Mountains were once connected with the __________ mountains.
16. the amount of major tectonic plates
17. Breaking of the Earth's crust
18. one results of Continental Drift

1. occurs when 2 plate tectonics grind against each other
4. Forms underwater when two plate tectonics converge
5. one result of continental drift
6. Hot semi-fluid material under the crust of the Earth
7. Creator of the theory of Continental Drift
8. occurs between two plates tectonics that are grinding against one another.
9. The cool outermost layer of the Earth that consists of the crust and the uppermost part of the mantle
14. a way to describe the state of the mantle
15. The main divisions of land