Plate Tectonics PreTest

What are the pieces of broken parts of the Earth’s surface are called?

• A.Tectonic ridges
• B. Tectonic plates
• C. Earthquakes
• D. I'm not sure.

What is the part of the Earth we live on is called?

• Crust
• Mantle
• Asthenosphere
• Core I
  I'm not sure. 

What happens to temperature as you go deeper into the Earth?

• The temperature increases
• The temperature decreases
• The temperature doesn't change
• I'm not sure.

What is the physical layer of rigid tectonic plates called?

• Crust
• Lithosphere
• Asthenosphere
• Mantle

When two pieces of seafloor crust move away from each other what is it called?

• Ozone depletion
• Oceanic spreading
• Continental drift
• Seafloor spreading

How does the density of a subducting plate compare to the plate on the top?

• The subducting plate is less dense
• The subducting plate is more dense
• The subducting plate has the same density.
• I'm not sure.

Which plate boundaries move toward each other?

• Transform
• Divergent
• Convergent
• I'm not sure.

Which type of fault is the San Andreas Fault?

• Transform
• Convergent
• Divergent
• I'm not sure.

The Mid Atlantic Ridge is an example of what type of boundary?

• Transform
• Convergent
• Divergent
• I'm not sure.

Why does magma rise to the surface of the Earth?

• It is less dense than surrounding rock.
• It is more dense than surrounding rock.
• Magma doesn't rise.
• I'm not sure.