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 ...

The Earth is made up of different layers: Therefore, instead of tectonic plates moving because of the convection currents, evidence suggests it is the plates that drive the convection. Slab pull ...

Images include deposition of layers and erosion ... choose to develop either a model project or give an in-class group presentation that demonstrates how the major earth processes caused the ...

Scientists have always been curious about the atmosphere surrounding us, but in the past, they could not just hop on a spaceship to see what was up there. Instead, scientists hiked up high ...

What Was Happening on Earth at This Time The Precambrian is the earliest of the geologic ages, which are marked by different layers of sedimentary rock. Laid down over millions of years ...

The oldest crust on Earth, known to be unchanging, is actually being altered in real time. The North American continent is "dripping" rock into the lower layers of the Earth, new research says ...

Among other findings, they observed that when they included Earth surface temperatures into their model, the forecasting ...