Introduces black holes, describing their physical features, how they were discovered, what causes them, and where they exist in space.

Did you know that tiny atoms that make up all matter hold huge amounts of energy? This energy, called nuclear energy, can power the television and refrigerator in your home. How is nuclear energy produced, though? And what are the drawbacks of this energy source? Read this book to find out all about nuclear energy.

Describes the climate, soil, plants, and animals of North American deserts and the ways in which the plants and animals depend on each other and their environment to survive.

Takes readers on a walk in the tundra, showing examples of how the animals and plants of the tundra are connected and dependent on each other and the tundra's soil and climate.

"Through lyrical text and colorful detailed artwork, the mysterious and sometimes bizarre world of mushrooms is explored. Back matter includes a glossary and science facts"--

"Young children are naturally curious about the world around them. I See Rainbows offers answers to their most compelling questions about rainbows. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words."--Provided by publisher.

"Learn all about wildfires|how they happen, why they're important, and when they're dangerous|in this fascinating Level 3 reader. It's sure to ignite your interest, with color photographs, interesting facts, and more."--Publisher.

Discusses the nature, causes, and dangers of blizzards, blizzards of the past and way to survive them.

"Carefully leveled text and engaging full-color photos introduce early fluent readers to the science behind earthquakes, including where and why earthquakes happen and how to stay safe when the ground starts to shake. Includes activity, glossary, and index."--

In Avalanches, early fluent readers learn about the conditions that turn a snowy slope into a dangerous slide. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn about the deadliest avalanches and how to stay safe in avalanche conditions. An infographic illustrates how an avalanche forms, and an activity offers kids an opportunity to extend discovery. Children can learn more about avalanches using our safe...