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10 questions
Based on the current position of the continents, in what general direction did South America drift away from Pangaea?
North
South
East
West
What evidence did Alfred Wegener use to support his theory of continental drift?
Fossil discoveries
The Himalaya Mountains
Ancient maps of the world
Charts of seismic activity
What is true of tectonic plates
They are constantly moving
Earthquakes cause them to move
They don't move for centuries at a time
There are fewer and fewer of them
Where is Earth's heat energy most concentrated?
The mantle
The lithosphere
The core
The crust
Which of the following best describes the location of the mantle?
Above the crust
Between the crust and the lithosphere
Between the crust and the core
Beneath the core
What is the underlying force that drives plate tectonics?
Ocean tides
Volcanic eruptions
The rock cycle
Convection currents
Which of the following is true of Earth's landmasses?
They are the upper part of the crust
They are made of a single tectonic plate
They are the densest part of the crust
They were formed by earthquakes
Convection currents are powered by:
Motion
Pressure
Heat
Density
Which of the following plate interactions is most likely to form a mountain range?
A transform boundary between continental plates
A transform boundary between oceanic plates
A convergent boundary between continental plates
A subduction zone between a continental plate and an ocean plate
When two plates that differ in _______ collide, volcanoes often form nearby.
Speed
Thickness
Density
Temperature
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