Plate tectonics

By | 23 Jan 2012

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)



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)

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…