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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
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