Layers of the Earth

Front

What are the layers of the Earth in order from the outside to the inside?

Back

Crust, Mantle, Outer Core, Inner Core

Front

What is the outer core made of?

Back

Liquid metal (iron and nickel)

Front

What is the inner core made of?

Back

Solid iron and nickel

Front

Which layer of the Earth is the least dense?

Back

Crust

Front

Which layer of the Earth has the hottest temperatures?

Back

Inner Core

Front

What is the composition of the crust?

Back

The crust is made up of solid rock and minerals.

Front

What is the mantle primarily composed of?

Back

Silicate rocks that are semi-solid.

Front

What is the difference between the outer core and inner core?

Back

The outer core is liquid, while the inner core is solid.

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, including the crust and upper mantle.

Front

What is the asthenosphere?

Back

The semi-fluid layer beneath the lithosphere that allows tectonic plates to move.