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have distributed the Quaternary mainly occur directly behindtrenches where wet subducting slabs reach asthenospheric depths and trigger backarc volcanismFigure 4 A few active volcanoes occur in t. Standard . S6E5.d . Recognize that lithospheric plates constantly move and cause major geological events on the earth’s surface.. What You Will Learn. Describe the three types of tectonic plate boundaries. . Plate Boundaries. Why do we care about plate boundaries?. Plate Boundaries. Volcanoes and earthquakes most often occur where tectonic plates come together.. At plate boundaries, many other geologic features, such as mountains and rift valleys, can also occur.. With Team 3. Divergent Thinking. Divergent thinking.  is a thought process or method used to generate creative ideas by exploring many possible . solutions. . Divergent . thinking typically occurs in a spontaneous, free-flowing, 'non-linear' manner, such that many ideas are generated in an emergent cognitive fashion. . Magma expands when heated making volume larger making magma less dense therefore it will __________ to the top of more dense magma . When the magma reaches the surface it cools and contracts becoming _________ _____________ and it will sink.. 70 degrees . 65 degrees. 85 degrees. 90 degrees. What is the record cold temp and where?. http://www.foxnews.com/science/2013/12/10/antarctica-sets-low-temperature-record-1358-degrees/. . Go over tests. The Theory of . Plate Tectonics. . You tube 5:43. We Didn’t Start the Fire Song. You Tube 4:31. http://www.windows2universe.org/earth/images/earth_plates_usgs_L_2_jpg_image.html. Divergent Boundary. Plates. by. Katie . Lanoue. and Jeanine Brown. The Formation of a Theory. In 1915, a German scientist named Alfred Wegner came up with the theory of continental drift.. His hypothesis was that all the continents were once connected to form a supercontinent called Pangaea.. Ocean-continent. . convergent boundary. Plate of oceanic crust collides with plate of continental crust. Oceanic crust is . subducted. (goes under) continental plate.. Ocean-ocean convergent boundary. Plate Tectonics. Became a theory in the 1960’s. Describes plate movements AND explains why they move. Plate Tectonics. Two types of crust: Oceanic and Continental. Plates are usually made of both. Why do we care about plate boundaries?. Plate Boundaries. Volcanoes and earthquakes most often occur where tectonic plates come together.. At plate boundaries, many other geologic features, such as mountains and rift valleys, can also occur.. Len Sperry, MD, PhD, . Sex, Priestly Ministry, and the Church. , 2003, page 10 . Boundaries…. a. re a physical or emotional limit that a person defines as safe or appropriate.. a. re consistent, reliable, and establish that certain behaviors cannot come in or will not go out.. The . two types of crust are . oceanic . and . continental.. Oceanic crust is . more dense. than continental crust. .  . Convergent . boundaries . push together..  . Subduction. . is the sideways and . Gregg Thomas. Indiana University. SMBE 2014. Convergent evolution is observed at the phenotypic level. Porcupine. (. Rodentia. ). Echidna. (. Monotremata. ). Hedgehog. (. Erinaceomorpha. ). 2. Predictable Evolution. Scrat. Continental Crack Up. video clip and have students either answer individually or with a partner the following questions: . (1) Which part(s) of . Scrat’s. adventure . is . accurate? .