Convection is like a boiling pot. Heated soup rises to the surface, spreads and begins to cool, and then sinks back to the bottom of the pot where it is.
Robert Butler Jenda Johnson Kip Ault The Earth & Plate Tectonics Slide show prepared by:
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Plate tectonics
Plate Tectonics. What is Plate Tectonics The Earth is broken into large Plates. The size and position of Plates change. Plate edges colliding - geologic.
Types of boundaries, what this all means.. What is the reason for the larger plates that make up the crust of the earth move? What are the layers of the.