Chapter 11 - The Dynamic Planet



Chapter 11 - The Dynamic Planet | |

| | | | | |

|approximate age of earth according to scientific theory | |sea floor spreading |

|major layers of earth (inner core, outer core, mantle, crust) | |mid ocean ridges |

|asthenosphere | |upwelling |

|uppermost mantle | |subduction / subduction zones |

|lithosphere | |3 types of plate boundaries (i.e. divergent, convergent, |

| | |transform) |

|rock types (igneous, sedimentary, metamorphic) | |common elements of Earth's crust (oxygen, silicon, %) |

|rock cycle | | | | |

|geologic cycle | | | | |

|oceanic vs. continental crust | | | | |

|magma | | | | |

|continental drift | | | | |

|Pangea | | | | |

|plate tectonics | | | | |

| | | | | |

|Know an example for each type of the plate boundaries (i.e., convergent, divergent, transform)..be able to give an example of plates that have this |

|type of boundary (Figure 11.17) |

|Figure 11-15 - age of oceans - know the important concept of this figure (don’t worry about exact ages- just youngest and oldest). |

|Know where the volcanic hot spots are on the North and South American continents and why they are there. |

|Potential Essay Questions | | | | |

|Why is there such a concentration of earthquakes and volcanoes around the margins (edges) of the Pacific Ocean. |

|Explain the rock cycle and differentiate between the three types of rocks (sedimentary, igneous and metamorphic). |

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