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Download Plate Tectonics Chapter 1 Study Guide Section 1 Earth`s Interior In
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Transcript
Plate Tectonics Chapter 1 Study Guide Section 1 Earth’s Interior In the diagram, label the three main layers. Which layer has the asthenosphere, lithosphere and lower mantle in it? How does the temperature change as you go from the surface toward the center of the Earth? ________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________ waves are produced by earthquakes. What prevents geologists from directly exploring the Earth’s surface? ____________________________ _____________________________________________________________________________________ Geologists use direct evidence from ___________________ to learn about Earth’s interior. Geologists learn about Earth’s interior using indirect evidence from ___________________________. The layer of rock that makes up Earth’s outer skin is called __________________________. List the layers of the Earth, starting from the outside, labeling EACH layer: _________________________ _________________________ _______________________ __________________ _________________________ _________________________ Plate Tectonics Chapter 1 Study Guide Section 2 Convection and the Mantle How does pressure change as you go from the surface toward the center of the Earth? ______________ _____________________________________________________________________________________ The three types of heat transfer are _________________, ____________________ and ___________________. What happens to ________________________________ when the liquid or gas is no longer heated? __________________ is the transfer of heat through empty space (ex: the sun warms your face). ___________________ is the transfer of heat by direct contact (ex: metal spoon in soup). ____________________ transfer of heat by the movement of fluid (ex: beaker of water boiling with food coloring in it) In what layer of the Earth do convection currents occur? _______________________________________ _____________________________________________________________________________________ Section 3 Drifting Continents All the continents were once joined together in a supercontinent called __________________, meaning “all lands.” Who was Wegener? What did he hypothesize? _____________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ What did Wegener’s hypothesis become known as? __________________________________________ What three types of evidence did Wegener gather? ___________________________________________ ____________________________________________________________________________________. What is Pangaea? ______________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ Plate Tectonics Chapter 1 Study Guide Section 4 Sea Floor Spreading How the Ocean Floors Change Process Happens at Sea-floor spreading bigger Mid ocean ridges a. _______________ b. ____________ Subduction Makes Ocean Floor _______________ A device that bounces sound waves off underwater objects is called _____________________________. What is sonar used for? _________________________________________________________________ The process that continually adds new material to the ocean floor is called _______________________. The process by which the ocean floor sinks into the mantle is called _____________________________. Use the image above to help you answer the next three questions. Name and describe the feature of the ocean floor shown at point A. _____________________________ _____________________________________________________________________________________ The arrows on the figure show the ocean floor spreading from the ridge. What are three kinds of evidence scientists have found to support this idea? __________________________________________ _____________________________________________________________________________________ Plate Tectonics Chapter 1 Study Guide Section 5 Plate Tectonics In the pictures below, label each plate boundary. Pay careful attention to the direction of the arrows. What is the theory of plate tectonics? ________________________________________ ______________________________________________________________________ ______________________________________________________________________ What do scientists think causes the movement of Earth’s plates? ___________________ ______________________________________________________________________ Plate Boundaries Type of Plate Boundary How Plates Move What Forms or Happens Divergent boundary c. ________________ __________________ mid-ocean ridges or rift valleys Convergent boundary a._________________ deep-ocean trenches or mountain ranges b. ______________ plates slide past each other ___________ ___________________ earthquakes Practice Open Ended Question (Use RACE!): Explain what force caused the movement of the continents from one supercontinent to their present positions.
