Plate tectonics

Geog Wikis > Grade 10 CAPS > Geomorphology > Plate tectonics
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Plate tectonics is a theory explaining the structure of the earth’s crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle.

An introductory video. (Plate Tectonics starts 1 minute in to the video)

pangea-continental-drift


SOURCEhttp://geology.com/pangea.htm

Changes in the position of continents over time.
Evidence for the movement of continents over time.
Plate tectonics – an explanation for the movement of continents.
The mechanics of plate movements.

View an interactive website here: (Opens in a new page)
http://www.berghuis.co.nz/abiator/patana/6t/index/humanities/mountains/interactive/PT-convection.html

How Plate Tectonics happens

Processes and landforms associated with different kinds of plate boundaries

Three types of plate boundaries:

Divergent boundary:

Convergent boundary:

Transform boundary:

The world’s volcanic and earthquake zones

Pulling it all together:

View an interactive website here: (Opens in a new page):

What’s next?

50 million years from now…

100 million years from now…

 

Geography teacher at heart and author of http://sageography.myschoolstuff.co.za. Account Manager for http://www.campuspress.com. Passionate about South Africa!