3d Earth -

: A liquid layer of iron and nickel that creates Earth's magnetic field.

There are several creative ways to represent these layers depending on your goal: How To Make A DIY Earth's Layers Pop Up Card 3D Earth

: A solid, incredibly hot ball of iron at the very center. Ways to Bring 3D Earth to Life : A liquid layer of iron and nickel

: The thin, rocky "skin" of the Earth, including the mountains and ocean floors we see. rocky "skin" of the Earth

: A thick, flowing layer of hot rock that makes up about 84% of Earth's volume.

A classic 3D Earth project often focuses on a cross-section to reveal the four primary layers that make life possible: