Sally M. Walker

Solids, liquids, and gases are the three states of matter. But have you ever made matter change from one state to another? Or seen how even invisible matter takes up space? Now you can! Explore matter 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...

Justin Butterfield insists on bringing his pet goat Willie when his family is forced to flee the Great Chicago Fire in 1871.

Why do some things heat up quickly while others don't? How can heat cause matter to change form-from solid to liquid to gas and back again? Heat cannot be seen, but it can easily be felt. Looking at different objects' molecular makeup, this book describes the fundamentals of heat and furthers understanding through a series of easy experiments.

Color photographs and simple text introduce children to the life cycles of opossums, with information on their distribution, physical characteristics, hunting style, and the dangers they face.

What is matter and where can it be found? Everything in the world is made of matter, whether it is a solid, a liquid, or a gas. Important ideas about matter such as volume, mass, and how matter changes state are conveyed through a series of easy-to-do experiments.

Describes the physical characteristics, habitat, behavior, and life cycle of mosquitoes.

Discusses the mysterious disappearance of the Confederate submarine, the H.L. Hunley, and its recent recovery from deep in the waters off the coast of South Carolina.

What are magnets? Why are magnets found inside machines such as televisions, radios, and telephones? What do atoms and the tiny particles that make up atoms-protons, neutrons, and electrons-have to do with magnetism? Magnets provide forces that have the power to push or pull other objects. Easy-to-do experiments help readers explore the central principles of magnetism.

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!

110 million years ago, a lush river flowed through the heart of what is now a desert in Africa. Lurking in the depths of the river, a humungous monster waited for its prey to come to the river's edge to drink…and to die. More than 40 feet long, this giant ancestor of the crocodile stalked and killed dinosaurs. In 1997, dinosaur hunter Paul Sereno discovered the enormous reptile fossil named SuperCroc. Learn how modern science uncovers the ancient...