PDF Notes: G12-Geography-STB-2023-web (2)

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    What is the Continental Drift Theory?

    Explains continents moved over time from a single landmass.

    What is Pangaea?

    The supercontinent that existed before continents drifted apart.

    How does the Plate Tectonics Theory differ from Continental Drift Theory?

    Plate Tectonics includes mechanisms for plate movement, unlike Drift.

    What are Laurasia and Gondwanaland?

    The northern and southern parts of Pangaea, respectively.

    What geological evidence supports the Continental Drift Theory?

    Coastline similarity and fossil distribution across continents.

    Why was Wegener's theory initially rejected?

    Lacked a mechanism for how continents could move.

    What happens at plate boundaries?

    Plates interact through divergence, convergence, or transform motion.

    What are the major geological processes associated with plate tectonics?

    Earthquakes, volcanism, and the formation of landforms.

    How do plate movements affect human lives?

    Can lead to natural disasters like earthquakes and tsunamis.

    What drives plate tectonics?

    Convection currents in the Earth's mantle.

    What is the Continental Drift Theory?

    Explains continents moved over geologic time from a single landmass.

    What are Laurasia and Gondwanaland?

    They are the northern and southern parts of the supercontinent Pangaea.

    How does the Plate Tectonics Theory differ from Continental Drift Theory?

    Plate Tectonics includes mechanisms of plate movement, unlike just drift.

    What geological evidence supports the Continental Drift Theory?

    Coastline similarity and fossil evidence between continents.

    What happens if tectonic plates move apart?

    New crust forms, often leading to volcanic activity.

    What are the main types of plate boundaries?

    Divergent, convergent, and transform boundaries.

    What is a consequence of plate tectonics on human life?

    Increased risk of earthquakes and volcanic eruptions.

    Why was Wegener's theory initially rejected?

    Lacked a mechanism for how continents could drift.

    What drives plate movements?

    Convection currents in the Earth's mantle.

    What is the significance of Pangaea?

    Represents a time when all continents were joined as one.

    What is the Continental Drift Theory?

    Explains continents moved over geologic time from a single landmass.

    What are Laurasia and Gondwanaland?

    They are the northern and southern parts of the supercontinent Pangaea.

    How does the Plate Tectonics Theory differ from Continental Drift Theory?

    Plate Tectonics includes mechanisms of plate movement, unlike just drift.

    What geological evidence supports the Continental Drift Theory?

    Coastline similarity and fossil evidence between continents.

    What happens if tectonic plates move apart?

    New crust forms, leading to features like mid-ocean ridges.

    What are the main types of plate boundaries?

    Divergent, convergent, and transform boundaries.

    What is a consequence of plate tectonics on human life?

    Increased risk of earthquakes and volcanic eruptions.

    What drives the movement of tectonic plates?

    Convection currents in the Earth's mantle.

    What is the significance of Pangaea in geology?

    It represents a time when all continents were joined as one.

    Why was Wegener's theory initially rejected?

    Lacked a mechanism for how continents could move.

    What is the Continental Drift Theory?

    Explains continents moved over time from a single landmass.

    What is Pangaea?

    The supercontinent from which present continents originated.

    How does the Plate Tectonics Theory differ from Continental Drift Theory?

    Plate Tectonics includes mechanisms of plate movement, unlike Drift.

    What are Laurasia and Gondwanaland?

    The northern and southern parts of Pangaea, respectively.

    What geological evidence supports the Continental Drift Theory?

    Coastline similarity and fossil distribution across continents.

    Why was Wegener's theory initially rejected?

    Lacked a mechanism for how continents moved.

    What happens at plate boundaries?

    Interactions can cause earthquakes, volcanism, and landform changes.

    What are the main types of plate boundaries?

    Divergent, convergent, and transform boundaries.

    What drives plate movements?

    Convection currents in the Earth's mantle influence motion.

    What are the consequences of plate tectonics on human life?

    Can lead to natural disasters like earthquakes and tsunamis.