Some of these questions are easy enough for kids to answer ... For example: What are the four main layers of the earth? They would be the inner core, the outer core, mantle and crust.

There's a lot more to Earth than meets the eye. Far from being just a roundish rock barreling through space, our planet is composed of several layers held ... of Earth's inner structure?

“The surface of the inner core is moving around in ways we hadn’t detected and still don’t understand very well.” Earth is divided into several layers: crust, mantle, outer core, inner ...

Over time, Earth's interior—which is made mostly of silicate rocks and metals—differentiated into four layers. At the planet's heart lies the inner core, a solid sphere of iron and nickel that ...

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 ...

Of all Earth’s layers, the inner core is the most remote and mysterious. This solid sphere of iron and nickel is about 70% the size of the moon, with a radius of approximately 759 miles (1,221 ...

The Earth's interior is composed of four layers, three solid and one liquid ... in diameter. Although this inner core is white hot, the pressure is so high the iron cannot melt.

Earth science concentrates on investigating how the planet works and why. This field delves into the many layers of the Earth ... but also illustrates the inner workings of the liquid and gaseous ...

The Earth's internal layers including the mantle, outer core and inner core. New research shows the inner core undergoes structural transformation likely caused by outer core disturbance.