Earth's Interior

What is the correct order (starting from the surface) of Earth's layers?

• crust, outer core, inner core, mantle
• mantle, outer core, inner core, crust
• crust, mantle, outer core, inner core
• outer core, inner core, crust, mantle

Earth's inner core is...

• a dense ball of solid iron and nickel.
• a layer of molten iron and nickel.
• a layer of hot rock.
• a layer of rock that forms Earth's outer skin.

Which layer of Earth has the GREATEST density?

• crust
• mantle
• outer core
• inner core

Earth's mantle is

• a layer of molten metal.
• a layer of hot rock.
• a dense ball of solid metal.
• a layer of rock that forms Earth's outer skin.

Earth's magnetic field results from movements in the

• mantle
• outer core
• inner core
• crust

Which layer of Earth is the hottest?

• lithosphere
• asthenosphere
• outer core
• inner core

Compared to rock in Earth's crust, rocks in the mantle are more

• dense
• mineral-rich
• granular
• porous

A deep well or mine shaft goes through which layer or layers of Earth?

• crust only
• mantle only
• crust and mantle
• mantle and core

Which layer of Earth is LIQUID?

• upper mantle
• lower mantle
• outer core
• inner core

What are the two kinds of crust?

• lithospheric and asthenospheric
• silicon based and iron based
• continental and oceanic
• outer and inner