1. Warm Up, Sept. 9 th, 2013 1) Who proposed the idea of continental drift? 2) What do the prefixes en- and ex- mean? Give one example of each in a word. 3) Attempt to define the following: Geo-Litho- Astheno- Terr-

2. “Latin and Greek” Derivatives* Start a new page in your notebook and always place derivatives there. 1) Geo earth 2) Litho stone 3) Astheno weak 4) Spherball, around 5) Vectusto carry

3. Inner Core A ball of hot, solid metals. Pressure is so great that temperature cannot turn the metals into liquid. http://images.sciencedaily.com/2010/12/1012 16142541.jpg

4. Outer Core A layer of liquid metals that surround the core. http://images.sciencedaily.com/2010/12/1012 16142541.jpg

5. Mantle Earth’s thickest layer that is made up of hot rocks that are less dense than the metallic core. http://images.sciencedaily.com/2010/12/1012 16142541.jpg

6. Crust A thin layer of cooled rock. Two types of crust? http://images.sciencedaily.com/2010/12/1012 16142541.jpg

7. Lithosphere A rigid layer of cooler rock in the crust and upper mantle. http://images.sciencedaily.com/2010/12/1012 16142541.jpg

8. Asthenosphere A layer of hotter, softer rock in the upper mantle. http://images.sciencedaily.com/2010/12/1012 16142541.jpg

9. But how do large pieces of rock move Continent Tectonic Plate NO THIS IS NOT HOW IT WORKS!

10. But how do large pieces of rock move Continent Tectonic Plate They are connected to plates that move!

11. But how do plates move?

12. Origins: Earth’s Formation