Shared Flashcard Set

Details

Grant Talbot
Plate Tectonics
9
Science
7th Grade
02/19/2014

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Cards

Term
Continental drift
Definition
continents drifted to current location (from Pangea)
Term
problems with the theory
Definition
no proof no explanation
Term
Proof of drift
Definition
fossil clues, climate clues, and rock clues
Term
fossil clues
Definition
similar plant and animal fossils found
Term
climate clues
Definition
both sides of the Atlantic Ocean
Term
Evidence of Climate clues
Definition
glacial evidence found in warmer climates and fossils of ferns in cold climates
Term
Rock clues
Definition
similar rock types found on both sides of the Atlantic ocean
Term
seafloor spreading
Definition
molten rock pushed thru at mid Atlantic ridge
Term
seafloor spreading was propose by
Definition
hess in the 1960's
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