Imagine you are an astronaut heading into space. The countdown is finally over. A deafening roar bursts from the base of the rocket that is launching your spacecraft up into the sky. Finally, you leave the atmosphere and from the window you can now see the blackness of space - and a beautiful bright blue, green and brown world. It's planet Earth - our home in the universe. Packed with facts, experiments, activities and discussion topics, this book...

"Imagine you are inside a dark closet. Everything around you looks black. You can't even see your own hands in front of your face. Why? Your hands are still there, but something important is missing. Light! This in-depth look at light includes understanding light sources, incredible facts about our Sun, how light reflects off objects around us, and how our eyes use light to allow us to see. It also features topics such as shadows, making rainbows,...

Why do we burp when we take a swig of a fizzy drink? What are air and water actually made of? And when a liquid raw egg becomes a solid fried egg, can this change of state ever be reversible? Packed with hands-on investigations, this book explores topics including, the properties of solids, liquids, and gases, how liquids become solids and how solids become liquids, how the water cycle works, why seawater is salty, and how changing states make recycling...