CJKN+1.3

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Vocabulary
Pangaea:"all lands" a super continent(300 million years ago) continental drift:the movement of continents fossil: trace of an organism that is preserved by rock

Outline

 * summary
 * Africa and South America look like they fit together
 * theory of continental drift
 * 1910 Wegenar
 * hypothesis of single land (Pangaea)
 * supported idea with study of landforms, climate ,and fossils
 * evidence from landforms
 * used mountains
 * from Africa and south America


 * evidence from fossils
 * coal fields
 * common fossils found in distant continents


 * evidence from climate
 * continents today have very different climates than from years ago
 * scientists reject Wegners theory
 * couldn't prove how continents drifted