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Looks at what matter is, and examines the different states that it can change into.
Bright white teeth. Straight leg bones. Awkwardly contorted arm bones. On a hot summer day in 2005, Dr. Douglas Owsley of the Smithsonian Institution peered into an excavated grave, carefully examining the fragile skeleton that had been buried there for four hundred years. "He was about fifteen years old when he died. And he was European," Owsley concluded. But how did he know? Just as forensic scientists use their knowledge of human remains to help solve crimes, they use similar skills to solve the mysteries of the long-ago past. Join author Sally M. Walker as she works alongside the scientists investigating colonial-era graves near Jamestown, Virginia, as well as other sites in Maryland. As you follow their investigations, she'll introduce you to what scientists believe are the lives of a teenage boy, a ship's captain, an indentured servant, a colonial official and his family, and an enslaved African girl. All are reaching beyond the grave to tell us their stories, which are written in bone.
An introduction to the many different types of rocks.
The true story of the real bear who inspired Winnie-the-Pooh
Includes bibliographical references (p. 45) and index.
Fossils give us a window to the past. Water, sediments, and pressure work together over time to preserve the shape of things that lived long ago. Studying these ancient plants and animals tells us more about our own existence. Have you ever searched for fossils? Unearth some in this book.
The first African American to break the color barrier in modern major league baseball, Jackie Robinson was one of the greatest players of all time. Forced to put up with angry, hateful fans and players when he joined the Brooklyn Dodgers, Robinson's strength of character and perseverance allowed him to set the standard for all future players.
Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! You know that magnets hold pictures on a refrigerator. But have you ever found a magnet's north pole? Or turned an ordinary paper clip into a magnet? Now you can! Explore magnetism with the fun experiments you'll find in this book. As part of the Searchlight BooksTM collection, 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!
On December 6, 1917, two ships collided in Halifax Harbor in Nova Scotia, Canada. One ship was loaded top to bottom with munitions and the other held relief supplies, both intended for war-torn Europe. The resulting blast flattened two towns, Halifax and Dartmouth, and killed nearly 2,000 people. As if that wasn't devastating enough, a blizzard hit the next day, dumping more than a foot of snow on the area and paralyzing much-needed relief efforts. Fascinating, edge-of-your-seat storytelling based on original source material conveys this harrowing account of tragedy and recovery. This thoroughly-researched and documented book can be worked into multiple aspects of the common core curriculum.
American chestnut trees were once found far and wide in North America's eastern forests. They towered up to one hundred feet tall, providing food and shelter for people and animals alike. For many, life without the chestnut seemed unimaginable—until disaster struck in the early 1900s. What began as a wound in the bark of a few trees soon turned to an unstoppable killing force. An unknown blight was wiping out the American chestnut, and scientists felt powerless to prevent it. But the story doesn't end there. Today, the American chestnut is making a comeback. Narrative nonfiction master Sally M. Walker tells a tale of loss, restoration, and the triumph of human ingenuity in this beautifully photographed middle-grade book.