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LIVE INTERACTIVE LEARNING @ YOUR DESKTOP NSDL/NSTA Web Seminar: Plate Tectonics Made to Order http://institute.nsta.org/web_seminars.asp NSDL Ready to Use Resources on Plate Tectonics (http://nsdl.org) NSDL Middle School Portal http://msteacher.org DLESE Teaching Boxes http://teachingboxes.org Enduring Resources for Earth Science Education (ERESE) http://earthref.org/ERESE The Earth 200 Million Years Ago Cynognathus (land reptile) Mesosaurus (freshwater reptile) Lystrosaurus (land reptile) Glossopteris (fern) The Earth’s Plates Today Animations from the Middle School Portal on Plate Tectonic Activity Convergent Boundary Transform Boundary Divergent Boundary Poll Question: The Mid-Atlantic Ridge is a … Plate Tectonics: The Revolution of the Earth Sciences Studying the Ocean Floor Seafloor spreading forms ocean crust Subduction Destroys Crust How Old is Ocean Floor ? Question: What direction is the Pacific Plate moving at the blue X ? X More Than 50,000 Seamounts How Does a Seamount Grow? Hotspots Make Seamount Chains How Many Active Hotspots? = Present-day location of some select active hotspots Western Pacific Hotspot Trails Press *6 to respond How Fast does the Pacific Plate Move? 26.6 13.0 7.2 5.1 0 Age of seamount in million of years Poll Question: How fast does the Pacific Plate move? How Fast does the Pacific Plate Move? Distance from Active Hotspot = 1841 km Age of a Hawaiian Seamount = 26.6 m.y. Rate of Pacific Plate at Hawaii = 1841 km / 26.6 m.y. = 69 km/m.y. So, the rate of the Pacific Plate at Hawaii is 6.9 cm/yr Enduring Resources for Earth Science Education http://earthref.org/ERESE Principle of ERESE Resource Matrix Example of ERESE Resource Matrix Example of ERESE Image ERESE Projects http://earthref.org/ERESE/projects/ALIA http://earthref.org/ERESE/projects/GOLF182 THANK YOU! Dr. Chris Symons [email protected] Dr. Anthony Koppers [email protected] Robert Payo [email protected] Go to http://nsdl.org and click on the K-12 audience page • Download this seminar’s companion guide Expert Voices feature with Dr. Koppers and Dr. Symons http://expertvoices.nsdl.org National Science Teachers Association Gerry Wheeler, Executive Director Frank Owens, Associate Executive Director Conferences and Programs Al Byers, Assistant Executive Director e-Learning NSTA Web Seminars Flavio Mendez, Program Manager Jeff Layman, Technical Coordinator Judith Lopes, Administrative Assistant Susan Hurstcalderone, Volunteer Chat Moderator LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
