Plate Tectonics

4. Are the remains of things that lived long ago
6. Plates that slide past each other
7. A narrow strip of land connecting two larger land areas
9. Things have been melted, often by great heat
11. Things move away from each other
15. The largest volcano on Earth
16. Soft layer of melted rock under the lithosphere
17. A German scientist in 1912 that suggested that at one time all of the continents were joined together in a supercontinent called Pangaea

1. As the plates move the continents on them move as well
2. Things move closer to each other
3. Where 90% of all of the volcanoes are located
5. The process in which one tectonic plate is forced beneath the edge of another plate
8. The transform fault that extends for hundreds of miles through the state of California
10. Earth's rigid outer layer
12. The "Supercontinent"
13. A British geologist that purposed that the heat from Earth's mantel caused continental drift
14. The portion of the Earth lying between the crust and the core