New Layers of the Earth

What is the name of the layer labeled Area 1?

• outer core

• inner core

• mantle

• lithosphere

Which layer of Earth is the thickest layer?

• the inner core

• the crust

• the mantle

• the outer core

Which layer of Earth is made mostly of metal (iron and nickel)?

• crust

• mantle and core

• core

• mantle

Earth's crust is the thickest layer.

• True

• False

Earth's crust is the hottest layer.

• True

• False

Earth's crust is the least dense layer.

• True

• False

The name of the innermost layer is

• the crust

• the mantle

• the outer core

• the inner core

The innermost layer is under the greatest amount of pressure.

• True

• False

The hottest layer of Earth is

• the crust.

• the inner core.

• the mantle.

• the lithosphere.

The outer core is mainly composed of

• solid iron and nickel

• liquid iron and nickel

• semi-solid magma

• granite and basalt