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"Drones have been in the news a lot over the last few years. From the flying unmanned aircraft used by the military to the quadcopters sold at toy stores and hobby shops, it's hard to deny that drones are everywhere. This volume examines the science behind modern drone technology and helps young readers understand these complex machines. Full-color photographs and diagrams provide context to STEM concepts, while fact boxes provide additional support...
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"The Soviet Union made history when it launched Sputnik I, the world's first artificial satellite. Now, more than half a century later, there are about 5,000 satellites in orbit around Earth. These marvels of modern technology perform many important tasks, from reconnaissance and navigation to communications and predicting the weather. Scientists have even sent some satellites to orbit the moons and other planets of our solar system. This volume examines...
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"Since the early 1600s, telescopes have helped us look to the stars. Early telescopes used two glass lenses to focus light. Today, we use mirrors in the same way as glass, but mirrors are lighter and easier to make than lenses. To see dim objects that are far away, these mirrors must be very large-larger than could fit in a telescope you'd have in your bedroom. In this volume, readers will learn about the components of a telescope and the role each...
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"Most kids have seen a thermometer, but few may be familiar with how one works. Readers of this innovative volume get an up-close look at these useful scientific instruments and learn how analog and digital thermometers work. Age-appropriate text introduces this key STEM-related topic in an accessible way, while colorful photographs engage even reluctant readers and help them understand concepts important to the elementary science curriculum. Eye-catching...
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"In recent years, it's become more and more common to see vast, open areas of countryside and costal areas filled with wind turbines. From the outside, these devices may look fairly simple-but inside, there are many complex parts that help them turn the wind's energy into electricity. Readers of this engaging guide will get a look at the inner workings of these powerful machines and learn how wind turbines are capable of producing clean, renewable...
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"We can see electricity in nature in a few ways, including as lightning and as static electricity. Electricity is a type of energy that can build up in one place or move from one place to another. We need electricity to power our homes, businesses, and electronic devices. Without electricity, we'd depend on candles for light and fires for heat. In this volume, readers are introduced to the components of electricity and how we rely on electricity to...
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