The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...

6. Show students how to cut their eggs. 7. Ask students to name the different layers of the Earth's interior using the egg as a model that represents the Earth. Caution: The egg analogy has some ...

These plates float atop a softer interior layer and are moved by currents caused by the release of Earth's intense interior heat. As they move, plates might meet head-on, slide past one another ...

An exhaustive examination of lunar gravity using data obtained by two NASA robotic spacecraft is offering new clues about why ...

There's many different layers to the Earth's atmosphere, but 75% of Earth's mass is actually going to be residing in the troposphere, where we are located. Also, we see all of Earth's weather occur in ...

has lent support to the hypothesis that the moon does in fact possess such a molten layer hidden deep in its interior. Just as Earth has tides that are influenced by the gravitational pull of the ...