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Gravity and Electricity book covers

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Gravity book cover

What’s up? What’s down? What’s keeping you steady? In Gravity: Mass, Energy, and the Force that Holds Things Together with Hands-On Science Activities scientists ages 8 to 12 explore the invisible but powerful force that is responsible for keeping the entire universe in place—including you!

It’s everywhere. In our homes, schools, offices, on the train, in our cars—even inside our bodies! Electricity: Circuits, Static, and Electromagnets with Hands-On Science Activities explores the science of electricity and the technology we’ve developed to harness the energy to power our lives.