Alfred Wegener
• November 1, 1880 Berlin
• Noted for his continental drift theory
• He was a German scientist • He went to university of Berlin
• He trained as an astronomer
Continental Drift Theory
• The Continental Drift Theory is when thr earths plates move a Continent. They also found the same false in south America as they did in Africa.
Continental Drift Theory Evidence
• They also found the same fossil in south America as they did in Africa.
• The shapes of the continents fit together like a jig saw puzzle.
• The climate was the same when it was pangaea.
Harry Hess
• May 24, 1906
• Considered one of the founding father of the unifying theory
• He is best known for his theories on sea floor spreading.
• Hess entered Yale university
• August 25 , 1969
Sea Floor Spreading
• Sea Floor Spreading is when the sea floor is speeding because lava is commming from the core to the sea floor
Continental Drift Theory
• The Continental Drift Theory is when thr earths plates move a Continent. They also found the same false in south America as they did in Africa.
Sea Floor Spreading Evidence
• Lava is coming up from the center of the earth.
• The plates are moving.• The lava pushes the sea floor apart.
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