Energy is a valuable resource that comes in many different forms. This book will help kids learn about the history and science of the world's sources of energy, from nonrenewable fossil fuels such as coal, oil, and natural gas to renewable energy sources such as solar and wind power. Sidebars and fun trivia break up the text, making it easily accessible and engaging, while hands-on projects encourage active learning. Activities range from constructing a battery to recreating an oil spill to explore how difficult cleanup can be.

When natural disasters happen they grab headlines around the world. People, creatures, and the environment are all impacted when nature gets out of control. Natural disasters can be upsetting to live through, but scientists today better understand their causes and how we can protect ourselves and others. Natural Disasters: Investigate Earth's Most Destructive Forces with 25 Projects teaches readers about some of the natural disasters throughout history, what caused them, their impact on civilizations, and how people today cope with natural disasters. Readers of this book will make...

The ground beneath your feet is solid, right? After all, how could we build houses and bridges if the land was moving all the time? Actually, the ground beneath us really is moving very slowly all the time In Fault Lines and Tectonic Plates: Discover What Happens When the Earth's Crust Moves, readers ages 9 through 12 learn what exactly is going on under the dirt.

When slowly drifting continents bump up against each other along fault lines we experience earthquakes, volcanoes, and tidal waves Mountains and trenches are visible results of the slow movement of the earth's crust, as...