1. Plate Tectonics
Court Monroe
Chapter 17, pages

2. Alfred Wegener, father of continental drift

3. Wegener thought that the continents were once connected.
Continents fit into each other
Landforms, like mountains
Fossils of continents meshed in key areas
People did not go along with theory, because they could not figure out what force would be strong enough to move a continent.
Continents would crack if pushed through ocean
Gravity would not make them go “downhill”
Spin of the Earth was not fast enough
Wegener died on expedition to Greenland
Probably died by falling into a crevice
When digging in Greenland, when you are are deep as you are going to go, one yells “I’ve found Wegener”.
Theory widely accepted in early 1960’s

4. www.vulkaner.no/v/vulkinfo/ tomtech/etomtech.html

7. www.astro.umn.edu/~john/ Ast1001/earth/Earth.html

8. oak.cats.ohiou.edu/.../ Diversification.htm

9. www.ucmp.berkeley.edu/ tectonics/quakecenters.html

16. What kind of plate boundary is this a representation of?

18. What kind of fault is THIS a representation of?

19. Convergent zones can be
Continent to continent (mountains)
Continent to Ocean (ocean trench, and mountains)
Ocean to Ocean (island arc ~ Japan)

21. This is oceanic vs. continental crust
This is oceanic vs. continental crust. Name a place where this is happening.

22. www.tki.org.nz/.../ what_on_earth/bumps2_e.php

24. www.calstatela.edu/ faculty/acolvil/plates.html

26. Excellent animations, on another website.