KS2 Geography. Biomes. A short video for pupils aged 7 to 11 investigating two of Earth's major biomes - woodlands and grasslands. BBC.

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 together by intense forces of gravity.

Scientists have uncovered new information about the Earth's core: it may not be completely solid. Instead, its center may be more malleable than expected and has changed shape in recent years.