| Continental Drift | Plates and Boundary | Layers of the Earth |
|---|---|---|
|
Alfred Wegener
Who came up with the theory of continental drift?
|
Divergent Boundary
Plates move away from one another at ________ boundaries.
|
Hotter
As you move deeper into the Earth's core, the temperature is:
|
|
The continents had once been joined in a single landmass and have since drifted apart.
What is the theory of continental drift?
|
Convergent Boundary
When two plates come together.
|
Lithosphere
The crust and the uppermost mantle make up the _________.
|
|
Fossils are found in areas where present-day climate could not have supported the organisms that made the fossils.
How did fossil evidence support Wegener's hypothesis of continental drift?
|
Transform Boundary
When two plates slide past each other.
|
4
How many layers does Earth have?
|
|
Pangea
What was the name of the super continent that existed 250 million years ago?
|
Subduction
What is the term for a heavier, denser plate sliding under a less dense plate?
|
True
True or false.
The lithosphere is just another term for the rock that makes up the crust and some of the mantle, forming tectonic plates. |
|
South America and Africa
Which two continents did Wegener notice fit together like pieces of a puzzle?
|
Transform Boundary
The San Andreas Fault in California is known as an active earthquake area. What type of boundary is it?
|
Crust, Mantle,Outer Core, Inner Core
What are the four layers of the Earth?
|
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