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Download Activity 13.2 Plate Boundaries
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Name: ______________________________ Block: _________ Date: _____________________________ EARTH SCIENCE 11 Activity 13.2 Plate Boundaries 1. Fill in the blanks. Select from the following list: Earthquakes Subduction Oceanic Volcanoes Boundaries Transform Convergent Continental divergent Plate ______________________ are named for the type of motion involved. For example, at a _________________ plate boundary, plates spread apart from one another. At a __________________ boundary, plates slide past each other. There are three types of _______________ boundaries, depending on the combination of lithosphere types involved. If one or both of the plates is __________, then a subduction zone is formed. If both plates are _____________________, a tall mountain range results. All plate boundaries are associated with ___________________. However, at a transform boundary you will not find ___________________. 2. Match each statement with the appropriate term. _____ A line of volcanic islands along a subduction zone a) Mid-ocean ridge _____ The San Andreas fault is a __________ boundary b) Divergent _____ The Cascade volcanoes are a result of _______ c) Trench _____ A valley formed as plates move apart d) Convergent _____ A submarine valley along a subduction zone e) Subduction _____ The location where new seafloor is made f) _____ A boundary where plates move together g) Island arc _____ A boundary where plates spread apart h) Island chain _____ A line of volcanic islands away from a plate boundary i) Transform Rift Name: ______________________________ Block: _________ Date: _____________________________ EARTH SCIENCE 11 3. Complete the following table. Diagram Type of Motion Geologic Features Examples Mid Atlantic Ridge, Juan de Fuca Ridge, East African Rift Earthquakes, transform fault, fault trace, no volcanoes. Convergent; two continental plates collide Convergent; oceanic-continental subduction zone Pacific Plate subducting under Philippine Plate = Mariana’s Trench and Philippine Islands
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