60 Second Genius: Planet Earth: Bite-Size Facts to Make Learning Fun and Fast

Learn everything about Planet Earth in 60 seconds! This book is packed with a huge amount of info about the planet we live on, broken down into fun, fascinating bite-size facts. Key earth sciences like geography, geology, ecology and natural history are clearly explained using colorful graphics and easy-to-follow text. There's even a pullout wallchart to record readers' progress in each subject. It's the ideal way to go from newcomer to know-it-all in record time! Topics include formation and structure, changing planet;rocks and minerals, blue planet, the atmosphere, and living planet. Planet Earth: Since it was formed about 4.5 billion years ago, Earth has developed into an amazing world. Its surface is forever changing as powerful forces inside the planet pull and push on the crust above, building mountains, tearing apart continents and constructing whole new pieces of land. Surrounding it is an atmosphere of gasses, which provides organisms with life-giving oxygen and produces our weather (with a little help from the Sun). Our planet may appear large, but it is still quite fragile. Changes to our climate over the last 150 years have threatened many habitats around the world, endangering the species living there and bringing many of them to the verge of extinction.