What was Wegener’s theory of continental drift? (pg. 393)
Question 5
5.
What were the four types of evidence Wegener used to support his theory? Provide deatils. (pg. 393)
3.2 Plate Tectonics
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
Question 10
10.
Question 11
11.
List the three types of plate boundaries and provide a detailed description of each one. (pg. 399 & 400)
Question 12
12.
What is subduction? Provide a diagram along with an explanation of how this process works.
Alfred Wegner determined that the continents at one time all fit together to form one large supercontinent, called Pangaea. Their interlocking shapes and other evidence helped him form the Theory of Continental Drift. The other evidence included all of the following, except ...
Glossopteris fossils
Folded mountains
Glacial deposits
Gold deposits
Glaciers once existed in the southern hemisphere. The evidence Wegener found to prove this was the ...
morraines found
erratics found
bedrock abrasions
ice caves
The science community rejected Wegener’s idea because they believed that mountains formed when the crust wrinkled like the skin of a dried-up ...
apple
pear
grape
orange
The ocean floor has been mapped out in detail and provided interesting patterns. Scientists noted that
volcanoes and earthquakes tended to occur in the ...
deep trenches of the ocean
vast plains of the ocean floor
same areas around the word
continents that fit together
Mountain ranges were discovered along the ocean floor. These mountain ranges are called ...
trenches
ridges
pillow lava
abyss
Because rock is moving away from the mountain ranges found along the mid-Atlantic ridge, new rock is
being formed. This sea-floor spreading indicates that rock nearest the continents is ...
older
younger
softer
harder
The place where tectonic plates meet is called a ...
transform
convergence
boundary
divergence
A place where two tectonic plates slide past each other is called a ...
