What is the main question that the plate tectonic theory answers, which was not explained by Alfred Wegener?

Mantle Convection Currents and Plate Tectonics Explained

Interactive Video
•
Science, Physics, Geography
•
10th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are mountains formed?
Why do continents exist?
How do plates move?
What causes earthquakes?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a method of heat transfer?
Convection
Evaporation
Conduction
Radiation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does warm air or water rise?
It is more solid than cold air or water.
It is more colorful than cold air or water.
It is less dense than cold air or water.
It is heavier than cold air or water.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the density of a gas or liquid when it is heated?
The density increases.
The density decreases.
The density remains the same.
The density becomes zero.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the Earth's mantle, what happens to magma as it gets closer to the outer core?
It becomes solid.
It becomes less dense.
It becomes hotter.
It becomes colder.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the asthenosphere compared to in the video?
A solid rock
A liquid ocean
A batter
A gaseous cloud
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which direction does the convection cell on the left side of a convergent boundary follow?
Counterclockwise
Clockwise
Upward
Downward
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