Structure of the Earth and Continental Drift

The Inner core is mostly made up of

• Iron

• Copper

• Calcium

• Hydrogen

The Mantle is

• Molten Rock

• Almost 3000km thick

• Between 500 and 2000 degrees celsius

• All of the above

Which is the thinnest layer of Earth?

• crust

• mantle

• outer core

• inner core

Which layer is directly below earth's crust?

• outer core

• inner core

• mantle

The core of the earth is hotter than the surface of the sun

• true

• false

Molten rock below the earth's surface is called

• magma

• lava

• crust

The inner core is made up of

• molten rock

• molten metal

• solid metal

Which is the correct order of earth's layers?

• crust, outer core, inner core, mantle

• crust, mantle, outer core, inner core

• crust, inner core, mantle, outer core

Which metal makes up most of the inner core?

• iron

• gold

• nickel

• lead

Which layer consists of liquid metal?

• crust

• mantle

• outer core

• inner core