1. Do Now  Just get your journal and turn in your signed syllabus if you have not already done so (make a stack on the stool).  Write about a time when you have experienced a natural disaster (tornado, hurricane, earthquake, flood, super bad storm, etc).

2. Processes Shaping the Earth August 31, 2012

3. Lithosphere  Earth’s crust and top section of solid mantle  Mantle: hot, dense rock

4. Plate Tectonics  Continents are on different tectonic plates (slabs of rock).  Plate Tectonic Theory: plates (continents) move a few centimeters each year. Which continents are on multiple plates?

5. Plate Movement  Convection: spread of heat through movement of fluid substance  Gravity: oceanic plates (heavy) are pulled under land plates (light)

6. Divergent  Movin’ apart  Most common in the ocean Palms face down with index fingers touching. Now, pull your hands apart.

7. Convergent  Comin’ together  Most common at ocean (under) vs. continental (over) plates Place hands together with palms down. Keeping them in contact, slide one hand under and the other hand over.

8. Transformational  Slidin’ by  San Andreas Fault Palms face down with index fingers touching. Slide your left hand away from you and your right hand towards you.

9. Weathering vs. Erosion  Weathering: wearing down of rocks by wind, water, ice, and living things  Erosion: rock, sand, and soil are broken down and carried away Which picture is weathering and which is erosion?

10. The Hydrologic Cycle  AKA the water cycle

11. Seasons  Caused by Earth’s tilt

12. Atmosphere vs. Biosphere  Atmosphere: gases around Earth  Biosphere: all life on Earth  Biomes: different geographic regions

13. Climate Regions

14. Biomes Which picture is a deciduous forest? Rain forest? Desert? Savanna?

15. Your Task  What forces have helped shape Earth’s landforms, climate, and plant life?  Write a paragraph on a separate sheet of notebook paper (make sure it is nice and clean) answering that question.  You need at least five complete sentences.  Due Wednesday!