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"Canals and Dams! With 25 Science Projects for Kids invites kids ages 7 though 10 to investigate the waterways that help the world run! Through fun facts and engaging content, readers explore record-breaking structures such as the Panama Canal and Hoover Dam. They also learn about the physics that make canals and dams work! Elementary-aged kids discover how hundreds of years of innovation created the canals and dams we know today and how this technology...
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"Moles, beavers, rabbits . . . these animals burrow tunnels in the ground every day! What other kind of creature makes tunnels? Humans! In Tunnels! With 25 Science Projects for Kids, kids ages 7 to 10 explore the fascinating world of passageways beneath the ground, dug deep within the earth through soil and rock. But why dig through rock to make a tunnel? Tunnels give people a way to travel and transport goods from one place to another. Readers learn...
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"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...
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Imagine a world without light. What would it be like? Dark, cold, and lifeless! In Explore Light and Optics! With 25 Great Projects, readers ages 7 through 10 find out why light is so important to our world. We use light to communicate. Because of light, there are natural phenomena such as rainbows and the auroras. And it's light that provides living things with the energy they need to exist. In Explore Light and Optics!, readers learn how light...