Marine Bio Unit B Test Review

Plate tectonics is the movement of Earth's _____________ plates.

These layers of the Earth are made up mostly of iron and nickel.

This layer of the earth is comprised of viscous liquid.

A trench is usually connected to a __________ boundary.

Wegener's theory was ultimately rejected because it did not take into account the movement of..

The lower mantle is also called the...

The ___________ are the flat sandy parts of the ocean floor.

This layer of the Earth is made up of solid rock and gas.

The Pacific ring of Fire is incredibly active due to the presence of a large number of ...

The ocean at the time of Pangea was called...

When Pangea split, it moved into two smaller supercontinents called Laurasia and ...

Volcanoes can form even without being on a fault line. How is this?

Seafloor spreading occurs at which type of boundaries?

A subduction plate boundary is a type of ...

Another name for the ocean floor is...

the two types of lithospheric plates are continental and _______________.

Which was not a component of Laurasia?

This scientist laid the foundation for the theory of plate tectonics that we have today.

After Wegener's theory of continental drift came the revised theory of ...

Where two plates meet is called a _________.

This layer of the Earth is directly underneath the lithosphere.