Air may be invisible, but it's a powerful force all around us. Air makes wind. It carries sound and smells. It lets us breathe. This simple, colorful book teaches kids all about amazing air.
Drink it. Spill it. Splash it. Water is wet. But water changes as it warms up and cools down. This simple, colorful book teaches kids about the three forms of water.
Scoop up some dirt. It's made of many things. What are dirt's ingredients? How is it made? What happens inside it? This simple, colorful book will make kids think differently about the dirt beneath their feet.
What makes a shadow? Why do some things make shadows and others don't? How do shadows change? This simple, colorful book inspires children to think in a new way about the shadows around them.
What is electricity? How is it made? How does it end up in your house? This simple, colorful book teaches kids about the force that powers our world.
Amazing magnets are everywhere--on the refrigerator and inside machines and toys. Even Earth is a giant magnet! A magnet can be strong enough to lift a car. But magnets work only in a certain way. This simple, colorful book explores the attractive power of magnets.
A look at the engineering processes that go into construction disaster-proof structures.