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Monday, December 20, 2010

Owl Hats

Sleepy Pink Hoot


Rainbow Hoot




My desk in the disarray of assembly (a typical sight ;-)


Original Hoot

Thursday, December 2, 2010

Lesson: Wegener-Continental Drift-Plate Tectonics

There's nothing really original here, just a bunch of information and activities consolidated from different websites. I thought I would post so that it could possibly save someone the extra work. We certainly had a lot of fun and learned a lot at the same time!

Alfred Wegener:

http://www.indiana.edu/~geol105/images/gaia_chapter_3/wegener.htm

Slide Show Presentation:
http://geochemistry.usask.ca/Bill/Courses/GOL%20101/HTML%20Presentation%20folder/Plate%20Tectonics/HTML%20Presentation%20folder/sld001.htm

Evidence and Activity for Continental Drift:
http://home.mindspring.com/~cms-stuff/id3.html
http://fc.niskyschools.org/~pscott/02C432BD-011EDE4C.0/Continental%20Drift.pdf

Instead of using the printout from the activity, we used tracing paper and an old map to make construction paper overlays of the continents. Playdoh was used to make the connecting mountain chains and we cut out copies of the various fossils to glue in the places they were found. The map underly has the plate boundaries drawn on it which was useful for discussing plate boundaries and hotspots further along in the lesson.






Construction of the Earth
Lithosphere, Mantle, Crust



http://mediatheek.thinkquest.nl/~ll125/en/struct.htm


How do we know?
Seismic waves
http://home.mindspring.com/~cms-stuff/id6.html

Convection currents carry the earth’s crust
Science Experiment:
http://www.ucar.edu/learn/1_1_2_7t.htm







Types of Plate Boundaries:
http://www.platetectonics.com/book/page_5.asp

Hot Spots: Hawaii & Yellowstone
http://faculty.weber.edu/bdattilo//parks/parks_t2_review.html

Why do the continents rise out of the ocean?
Granite/Basalt
http://www.atmos.albany.edu/daes/atmclasses/atm301/hydro_rocks.pdf

This would flow nicely into a lesson on the rock cycle...we've already done that so we got it a bit out of order.