Continental
What is the name of the scientist who came up with the theory of Continental Drift?
Alfred Wegener.
Are the continents still moving?
Yes.
How long ago is Pangea believed to have existed?
200-300 million years ago.
What are the remains of organisms noticed by Wegener that are found on the same two cotinents?
Plants and animals.
What is the theory of Continental Drift?
All the continents were once joined together in a single landmass and have since drifted apart.
What are tectonic plates?
A tectonic plate is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere.
Mesosaurus fossils are found between where?
Africa and South America.
When was the theory of Continental Drift widely accepted?
1950s.
What was the supercontinent comprised of all the modern day continents called?
Pangaea.
What type of heat transfer is responsible for Continental Drift?
Convection.
Glossopteris fossils are found between where?
All of the continents.
Why was Climate evidence significant towards Continental Drift?
Remains of glaciers were found in regions that are warmer today.
What were the three types of evidence that Wegener used to come up with his theory of continental drift?
Landforms, fossils, and glacial evidence.
Name the three types of heat transfer.
Conduction, radiation, and covection.
What does the word Pangea mean?
All land.
Where does the Appalachian Mountains match up with?
The British Isles.
What did scientists who knew Wegener think of his theory? What do scientists think of it now?
Other scientists dismissed Wegener's theory because they said he had no evidence. Scientists now know, that Wegener was 100% correct.
What were the names of the supercontinents that fit together 210-180 million years ago?
Laurasia and Gondwana.
What can you notice about the coasts of South America and Africa?
They appear to be able to fit together, like jiggsaw puzzle pieces.
Why did no one believe Wegener's theory?
He could not explain HOW the continents moved.