1. Tectonic
Motion
Plate

2. Tectonic plates

3. Alfred Wegener 1912,Introduced continental drift Idea rejected
Predicted badly
Competed with contraction theory

4. Contraction theory Thought to have created mountains in cooling
Falsely proved

5. Pangaea Continents position explanation Sides fit Talked away
Fossils found

6. https://sites. google. com/a/ecsd

7. References http://www.ucmp.berkeley.edu/history/wegener.html

8. Quiz Who is Alfred Wegener?
How did he originally think the continents move?
3. What theory was he trying to disprove? (its name and the actual theory)
4-5. Why was this theory wrong?