Böcker av Paula Smith

A romantic comedy

How do you change the speed of a moving object? This interesting book explains how forces, such as friction, and the mass of an object, can change the speed of an object in motion. Simple activities help children understand such concepts as acceleration and deceleration.

Motion is a change in an objects position. This fascinating title explains in a clear, simple way how objects are moved by a change in energy. Simple activities show young readers how energy is changed by applying a force, either by coming in contact with an object or by a force that does not touch it physically, like gravity.

Humpback whales are a true ecological success story. Readers will be enthralled by the story of these masters of the deep, listed as endangered in 1970. Protected by an international ban on hunting all whales in 1982, the humpack recovered so well it was no longer listed as endangered in most of the world by 2016.

Listed as a threatened species in 1975, the grizzly bears near Yellowstone National Park in Wyoming have made a remarkable recovery. Intriguing text and vibrant images will draw readers into the story of the bear's decline due to human interaction and habitat loss, and the strategies put in place that helped it...

Long considered by humans as a threat to livestock, the gray wolf has been hunted almost to extinction in parts of North America. But these keystone predators help keep an ecosystem in balance. This book details reintroduction programs that have helped populations recover to about 10 percent of their historic...

The survival of the giant panda depends on the survival of its only food: bamboo. Habitat loss from the destruction of bamboo forests in south central China where they live made the giant panda a vulnerable species. This book tells how habitat conservation and the creation of borrowing-and-breeding programs with zoos around the world kept the beloved bear from extinction.

The American alligator was nearly wiped out in the marshes and swamps of Louisiana and Florida in the last century. This exciting book tells the story of how government protection, habitat preservation, and a campaign to reduce the demand for alligator products helped bring back these fierce-looking...

"Science uses evidence in explaining the natural world. Using relatable, real-world examples, this informative book shows readers how to construct an argument with evidence to support a claim. Readers will act and think like scientists as they learn how to distinguish between fact and opinion, and use evidence and reasoning to evaluate the claims of others."--

"Scientists use different kinds of investigations depending on the questions they are trying to answer. Accessible text and child-centered examples guide readers as they learn to plan simple investigations based on fair tests to answer their own science questions."--

This engaging book explains how scientists use models to help them understand systems in the natural world. Readers learn about different kinds of models and discover the similarities and differences between models and the real objects and processes they represent.

"This informative book goes to great lengths to explain how scientists around the world use the metric system and related tools to help them compare, contrast, and analyze the measurement data they collect. Opportunities for hands-on learning make the content meaningful to readers as they refine their measuring skills."--

This engaging title introduces readers to materials that are either hard or soft. Using familiar examples, readers learn what makes hard and soft objects different and why they are suited for different purposes. Easy-to-understand text and colorful photos invite young readers to identify and classify hard and soft things around them.

"What happens when light is blocked? How can we redirect light? Readers will discover the answers to these questions and more in this fact-filled title. Readers will explore the properties of transparent, translucent, opaque, and reflective materials, and learn how to redirect light beams and create shadows"--

"Collaboration and communication are important 21st Century skills and key science practices. Using accessible examples, readers will discover how scientists work together, and share ideas and information. Children also learn how and why scientists record information and put this practice into action by using their own science notebook."--

"Scientists look for patterns to help them make predictions. This motivating title explores different patterns in the natural world, such as day and night and the changing seasons. Using their new knowledge, readers will act like scientists by identifying weather patterns and making predictions."--

"We all learn about the world around us by making observations. Scientists are no exception! This intriguing title explains how scientists observe using their senses and tools. Readers will apply what they learn by making observations, comparing, sorting, and classifying."--

In this innovative title, young readers learn what it means to be a citizen of the global community. From water wells in Africa to global disaster relief, children will learn about different needs around the world and discover their own abilities to make the world a better place.