Plate Techtonics

5. The 'n' or horseshoe shaped area where volcanic eruptions and earthquakes take places more commenly.
6. One of the largest indefinite units of geological time
7. A word used in terms with earthquakes and vibrations in the Earth's crust
10. A bit of cold water from deep in the ocean that rises up to the surface waters
12. A floating piece of ice that occurs on Earth
13. A type of rock made of compacted sediments
15. The process where one edge of a tectonic plate is force beneath that of another
16. The force drawing the body away from it's rotaional point
18. The layer of the Earth's surface that is made up of living organisms
19. A type of rock made from a cooled liquid

1. A type of techtonic plate boundary where two plates are sliding towards eachother
2. The process when the continents broke apart
3. A part of ocianic crust or the upper mantle that has been pushed above sea level
4. A rounded landform that protrudes from the Earth's surface
6. A type of temperature change where the heated air becomes thin
8. A type of techtonic plate boundary where two plates are moving away from eachother
9. A regular occurance caused by the positions of the Sun and Moon around the Earth
11. Something that happens when heated molecules move around
13. A compound that contains silicon with anionic properties
14. A type of rock made from any rock that undergoes great amounts of heat and pressure
17. The landmass on Earth before continental drift