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Piecing Together the Plates by Lisa McCready What We’ve Discovered… • Our Earth is covered with plates • The borders between the plates are also known as “ ” • There are three main types CONVERGENT • Oceanic vs. Continental • Oceanic vs. Oceanic • “ • What happens here? ” DIVERGENT • In the Oceans • On the Continents • What happens here? TRANSFORM • What happens here? What are Plates? Type of Crust Average Thickness Average Age Major Component Continental Crust 20-80 kilometers 3 billion years Granite Oceanic Crust 10 kilometers Generally 70 to 100 million years old Basalt Activity Time • Map the 15 most well known plates • Discover their names • Figure out some boundary types • Develop a phrase to help you remember the plate names • http://www.kidsknowit.com/educational-songs/index.php?topic=Geology http://www.uky.edu/AS/Geology/howell/goodies/elearning/module04swf.swf QUESTIONS? Who Loves Bill Nye, The Science Guy? http://uk.video.yahoo.com/watch/1595682/5 390276 Citations • • • • • • • • • • • • • • Slide Background Image: http://www.freewebs.com/morganisrupert/597340%5B1%5D.jpg Convergent, Divergent, Transform Images: http://tbn2.google.com/images?q=tbn:FI_6AVFpQZz_eM:http://www.nasa.gov/images /content/65872main_Convergent_Boundary.gif Answer Key (Map with Plate Names): http://www.learner.org/interactives/dynamicearth/images/new_map.jpg 3-D Picture: http://3dparks.wr.usgs.gov/deathvalley/html/thumbs.htm Ideas/Definitions: http://www.learner.org/interactives/dynamicearth/plate.html http://pubs.usgs.gov/gip/dynamic/tectonic.html http://www.nasa.gov/audience/forstudents/5-8/features/F_Earth_Has_Faults.html What are Plates Images: http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Continents.sht ml What are Plates? • http://www.learner.org/interactives/dynamicearth/s tructure.html