Monday, September 9, 2013

Earth Science - Earth Structure - Sea-floor Spreading

Shaping the Earth by DW Patent and William Munoz
The Earth Through Time by H. Levin

Vocabulary Added:
divergence: continents pushing apart

Discussion:
How upwelling sea-floor lava pushes plates apart, expanding the distance between continents

Activity:
Pour honey between two graham crackers.  Watch them push apart.

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