Layers of the Earth

Which of the following correctly lists Earth’s layers from the innermost layer to the outermost layer?

• inner core, outer core, mantle, crust

• crust, mantle, outer core, inner core

• outer core, inner core, mantle, crust

As you travel further into the Earth, the pressure...

• decreases

• increases

• stays the same

The inner core is mostly made of which element?

• iron

• nickel

• sulfur

This layer is composed of liquid nickel and iron...

• inner core

• outer core

• mantle

The movement of Earth’s plates is caused by convection currents within this layer...

• inner core

• outer core

• mantle

This layer is made of 3 types of rock: igneous, metamorphic, and sedimentary...

• mantle

• crust

• outer core

Which of the following correctly lists Earth’s layers from coldest to hottest?

• crust, mantle, outer core, inner core

• inner core, outer core, mantle, crust

• crust, mantle, inner core, outer core

Which layer is responsible for Earth’s magnetic field?

• inner core

• outer core

• mantle

Earth’s core is a solid due to...

• the large amount of iron

• extreme heat

• high pressure

Which of the following correctly explains the difference between the inner core and the outer core?

• The outer core contains more iron than the inner core.

• The inner core has lower pressure than the outer core.

• The outer core is fluid and the inner core is a solid.