Geosphere Quiz Review

The middle layer of Earth, made of plastic-like rock.

• crust

• mantle

• core

The innermost layer of Earth, made of iron and nickel.

• crust

• mantle

• core

Which is the thinnest layer of the Earth?

• crust

• mantle

• core

What is the thickest layer of Earth.

• crust

• mantle

• core

Which type of crust is thin, dense, and made of basalt?

• oceanic

• continental

Which type of crust is thick, less dense and mostly made of granite?

• oceanic

• continental

If continental and oceanic crust collide what will happen?

• The continental will sink below the oceanic.

• The oceanic will sink below the continental.

• Nothing happens.

• They mix together.

What is the core of Earth mostly made of?

• silicon and oxygen

• magnesium

• aluminum

• nickel and iron

What layer of the Earth is the arrow pointing to?

• The crust

• The mantle

• The inner core

• The outer core

Which of the following is continental crust?

• A

• B