Canada
USA
Air is essential for all living things on Earth. It provides the oxygen we need to breathe. Air affects the weather and nature, and can be used as a source of clean, renewable energy. But air More →
Earth and Space Science
288 records found. Displaying 277 - 288.
Do spiders have a heart? How do cockroaches survive without a head? Why can't penguins fly? answers all these intriguing questions about the science of animals, and much more. More →
Why is the sky blue? Where does light go when you switch it off? Why does a mirror show things backwards? answers all these intriguing questions about the science of light, and much more. More →
How can a plane fly upside down? Why aren't there any super-giant humans? Why doesn't the Moon fall out of the sky? answers all these intriguing questions about the science of forces, and much more. More →
Why is blood red? What exactly is a belly button for? Why don't your eyeballs fall out? answers all these intriguing questions about the science of the human body, and much more. More →
Where does water go when it dries? Why do eggs go solid when you cook them? Why is ice slippery? answers all these intriguing questions about the science of materials, and much more. More →
Fire is both a symbol of life and powerful destructive force. This book features a look at the life of fires, both in the wild and in cities, and how they are battled, contained, and… More →
As people expand settlement into wilder areas, the impact of wildfires, both naturally occurring and human-set, becomes more destructive. This timely book examines what scientists know about… More →
How is wind used to make energy? How does a wind farm work? Wind Power answers these questions and much more! More →
Without water, our most valuable natural resource, our planet would be a barren wasteland, without plant or animal life. The Earth has a limited amount of water that is recycled in the… More →