Sally M Walker

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

...

The sun, furnaces, and ovens all make heat. But have you ever watched matter expand when it is heated? Or seen how different kinds of matter conduct heat? Now you can! Explore heat with the fun experiments you'll find in this book. As part of the Searchlight Books™ 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!

Audisee® eBooks with Audio combine professional narration and text highlighting to engage reluctant readers! People, animals, machines, and wind all make sounds. But have you ever seen how sound waves move? Or made a sound wave bounce? Now you can! Explore sound with the fun experiments you'll find in this book. As part of the Searchlight Books™ collection, this series sheds light on a key science question―How Does Energy Work? Hands-on experiments,...

Soil can be found almost everywhere on Earth. Sand is a soft soil that is found in deserts. Loam is soil that is great for growing plants. But how are these types of soils different? And how are they made? Explore the amazing world of soil in this book.

The sun, lightbulbs, and flickering fires all bring light to our world. But have you ever watched light rays moving? Or seen how light rays reflect off objects? Now you can! Explore light with the fun experiments you'll find in this book. As part of the Searchlight Books™ 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!...

Antarctica is a land of frozen secrets, with scarcely a handful that have been completely divulged. Join Sally M. Walker as she explores both historical and modern-day scientific expeditions to the continent.

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 Books™ 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!

High in the sky, Bessie Coleman could soar like a bird. She was free--at least until she landed. As a black woman in the 1920s, she wasn't allowed to learn how to fly. Forced to travel to France to learn, she became the first African American woman to earn her pilot's license. Whether she was wing-walking, giving a speech, parachuting, or flying, Coleman inspired people with her bravery and resolve.

On July 28, 1996, human bones washed up on the banks of the Columbia River near Kennewick, Washington. Was this an unsolved murder? The remnants of an unmarked grave? What was the story behind this skeleton?

What a discovery! Deep under the Atlantic Ocean, divers found a shipwreck like no other. It was the H. L. Hunley, a submarine that had sunk during the Civil War! A team of scientists from all over the world came to work on the discovery. How would they raise the Hunley from the ocean floor? How would they open the submarine? And what would they find inside?