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Vocabulary

 * Pangea**: means "all lands" or that all continents were together
 * continental drift**: moving of the continents apart
 * fossil**: a trace of an ancient organism that has been preserved in rock

Introduction

 * Africa and South America look like jigsaw puzzle pieces that could fit together

The Theory of Continental Drift

 * 1910 Alfred Wegner
 * hypothesis that was that the continents were once combined together and made up a super continent called Pangaea
 * he thought this happened over 300 million years ago
 * he wrote a book called The Origin of Continents and Oceans published in 1915

Evidence from Landforms

 * Mountains lined up in south Africa and Argentina
 * European coal fields were similar to the ones in North America

Evidence from Fossils

 * found same reptile fossils and same plant fossils such as ferns around the world

Evidence from Climate

 * Current places in the world have very different climate
 * hot places had rock scratches that could only have been made by glaciers

Scientists Reject Wegner's Theory

 * Wegner didn't have a good reason why the continental drift happened or separated

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