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What is the name of the super continent that all continents were part of 200 million years ago
Pangea
What is the Continental drift theory?
The suggestion that all of the continents are in constant motion on the surface of the Earth
List the 3 types of evidence for Continental drift
Climate, fossil, rock
What is a glacier?
A slow moving mass of ice
What is a fossil?
The preserved remains of a once living thing
Why is the climate a clue about the existence of pangea in the past?
Wegenar discovered sediments and glacial grooves that matched each other in Africa, South America and India
Which continent could be found directly to the west of Africa in the pangea supercontinent?
South America
Why are fossils evidence of pangea?
Because oceans separate continents animals can not travel from one continent to another
What type of evidence shows that Europe and America were once connected?
Rock clues/ mountain ranges
What layer of Earth is beneath the crust?
Mantle
What is a topographic map
A topographic map is a map that shows the elevation of the features on the surface of the map
How were scientists able to make a map of the bottom of the ocean?
They were able to determine the depth of the ocean using a device called an echo-sounder
