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Transcript
Earth’s Changing Surface - Study Guide 8.9A: describe the historical development of evidence that supports plate tectonic theory. Essential Question: What evidence supports plate tectonic theory? Theory of Plate Tectonics: Earth’s lithospheric plates are in constant motion on the ______________________ The motion is driven by ___________________ ___________________ in the mantle. Draw diagram here: Alfred Wegener - __________________________________________________________________________ ________________________________________________________________________________________ What is Pangaea? _________________________________________________________________________ Harry Hess - discovered the Mid-Atlantic ridge which led to the discovery of sea-floor spreading. Describe evidence of plate tectonics: • ______________________________________________________________________________________ • ______________________________________________________________________________________ • ______________________________________________________________________________________ • ______________________________________________________________________________________ • ______________________________________________________________________________________ • ______________________________________________________________________________________ 8.9B: relate plate tectonics to the formation of crustal features. Essential Question: How does plate tectonics relate to the formation of crustal features? Two types of crust: ________________________________ and _________________________________ more dense less dense Describe each type of plate boundary: Convergent: _____________________________________________________________________________ Crustal Features and Geologic Events: Continental - Continental = __________________________________________________________________ Real World Example: ______________________________________________________________________ Continental - Oceanic = ____________________________________________________________________ Real World Example: ______________________________________________________________________ Oceanic - Oceanic = _______________________________________________________________________ Real World Example: ______________________________________________________________________ What is subduction? _______________________________________________________________________ Divergent: ______________________________________________________________________________ Crustal Features and Geologic Events: Continental - Continental = __________________________________________________________________ Real World Example: ______________________________________________________________________ Oceanic - Oceanic = _______________________________________________________________________ Real World Example: _____________________________________________________________________ Transform: ______________________________________________________________________________ Crustal Features and geologic events: Real World Examples: _____________________________________________________________________ What are hot spots and give examples? Do these hot spots occur along one of the plate boundaries? ________________________________________________________________________________________ ________________________________________________________________________________________ 8.9C: interpret topographic maps and satellite views to identify land and erosional features and predict how these features may be reshaped by weathering. Essential Question: How are tools such as topographic maps and satellite views used to identify land and erosional features? Topographic maps: ________________________________________________________________________ Contour lines: ____________________________________________________________________________ Contour intervals: _________________________________________________________________________ How can you identify the steepest slope on a topographic map? _____________________________________ ________________________________________________________________________________________ Topographic Maps What is the difference in elevation between Y and Z? ___________________ If you hiked from point A to point B, how many feet did you travel? __________________ Which direction does Colden Creek flow? ___________________ Which hill is the tallest? _________________ Contour Matching: 8.6C - investigate and describe applications of Newton’s law of inertia, law of force and acceleration, and law of action-reaction such as in Earth’s tectonic activities. Inertia, Force and Acceleration, Action-Reaction: Competing forces in the Earth’s mantle pushes or pulls on the crust. Plates apply equal and opposite forces on teacher other. Acceleration depends on the forces acting on the plate and the mass. Unbalanced forces, such as convection currents, occur in Earth’s mantle. Plate movement results in stress within the Earth’s crust which adds energy to the rock until it breaks or changes shape.
