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Convection Current and Tetonic Plates
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29 Nov 2011 | Learning Objects | Contributor(s): Sandra Seale, Hanna Vincent, NEES EOT
Students should understand the actions of fluids and gases with varying densities, which create convection currents. This demonstration will broaden their understanding of how such currents...
South America and Africa Puzzle
See how well South America and Africa fit together! I wonder why that is..... Do you think that the two continents were once next to each other? National Science Standards: K-4 Content Standard...