Sally M. Walker
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English
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Electricity powers lights, computers, and television sets. But have you seen how electricity can make objects stick together? Or make other objects pull apart? Now you can! Explore electricity with the fun experiments you'll find in this book. This series sheds light on a key science question; How Does Energy Work? Hands-on experiments, interesting photos, and useful diagrams will help you find the answer!
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English
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"The story of the near-extinction and recovery of the American Chestnut tree."--
American Chestnut trees were once plentiful in North America's eastern forests. They towered up to one hundred feet tall, providing food and shelter for people and animals alike. To many, life without the chestnut was unimaginable - until disaster struck in the early 1900s. What began in the bark of a few trees soon became an unstoppable killing force, traveling across...
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English
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Rocks can be made of many different minerals. By looking at rocks closely, we can tell where they were formed and what conditions they were created in. How do we know these things? And how do we tell different types of rocks apart? Learn about ways to research rocks and what they can teach us about our world.
18) Studying soil
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English
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Describes soil, how it is formed, and why it is studied.
19) Opossums
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English
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Readers will learn about the physical characteristics, habitat, and behavior of the opossum.
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English
Description
"When Harry Colebourn saw a baby bear at a train station, he knew he could care for it. Harry was a veterinarian. But he was also a soldier in training during World War I. Harry named the bear Winnie, short for Winnipeg, his company's home town, and he brought her along to the military camp in England. Winnie followed Harry everywhere and slept under his cot every night. Before long, she became the regiment's much-loved mascot. But who could care...