Tectonic Plate Motion
Tectonic plates
http://www.johomaps.com/world/worldtecton.html
Alfred
Wegener
1912,Introduced continental drift
Idea rejected
Predicted badly
Competed with contraction theory
http://www.environmentandsociety.org/exhibitions/wegener-diaries/biography-alfred-wegener
Contraction theory
Thought to have created mountains in cooling
Falsely proved
http://orig08.deviantart.net/c33d/f/2009/139/5/c/magma_planet_with_a_star_field_by_southtownjr.jpg
Pangaea
Continents position explanation
Sides fit
Talked away
Fossils found
https://www.youtube.com/watch?v=1WBQ311tsFs
https://sites.google.com/a/ecsd.us/nowakowski_stemscienceportfolio/earthquakes-and-volcanoes
References
1. http://www.ucmp.berkeley.edu/history/wegener.html
2. http://www.ucmp.berkeley.edu/geology/techist.html
Quiz
1. Who is Alfred Wegener?
2. How did he originally think the continents move?
3. What theory was he trying to disprove? (its name and the actual theory)
4-5. Why was this theory wrong?