Bridges!: With 25 Science Projects for Kids

Getting from one place to another sounds easy if you are on a straight piece of land, but what if you have to get over--or under--a body of water or a deep gorge? Build a bridge! Bridges are the great connectors. They allow us to travel the twists and turns, highs and lows, ins and out of every geographic feature in our world. Bridges! With 25 Science Projects for Kids introduces readers ages 7 to 10 to the concepts and vocabulary of bridge construction through the lenses of history, science, engineering, math, and technology. From the Golden Gate Bridge in San Francisco to the Tower Bridge in London, bridges are a huge part of our life. But how are these amazing structures built? What forces keep it standing? What might cause it to fall down? And who decides which type of bridge to use? In Bridges! With 25 Science Projects for Kids, one of four titles in the Explore Engineering set, readers discover how these extraordinary feats of engineering are created, and apply what they have lea