Knowledge Encyclopedia: Earth! covers everything you need to know about Earth in glorious technicolour detail alongside easy explanations and fun facts to spark young minds to find out about our planet and how it works. The perfect encyclopedia for children, ideal for inquisitive minds, young learners can discover an array of fascinating facts, such as what's inside Earth, and why is it so hot under the surface? How did our planet come about, and what did it look like in the beginning? How are mountains formed and why are forests important? What happens when glaciers melt and how can we stop climate change?