"A sinkhole is exactly what it sounds like: a giant, sinking hole in the earth! They happen in almost every state and every country. They have been carving out Earth's landscape for millions of years. Learn all about the causes, warning signs, and what to do in case you encounter one of these terrifying and sometimes deadly disasters"--Provided by publisher.

Five and counting! So far, astronomers have discovered five dwarf planets in our solar system. Pluto, which was once thought of as the ninth planet, is today classified as a dwarf planet. This book looks at the current dwarf planets, characteristics, size, and orbital patterns, as well as the three rules scientists follow to characterize these tiny, round space objects. Every day new discoveries are being made. Who knows how many dwarf planets we...

Five and counting! So far, astronomers have discovered five dwarf planets in our solar system. Pluto, which was once thought of as the ninth planet, is today classified as a dwarf planet. This book looks at the current dwarf planets, characteristics, size, and orbital patterns, as well as the three rules scientists follow to characterize these tiny, round space objects. Every day new discoveries are being made. Who knows how many dwarf planets we...

Absorbing facts about the 11.3 million species on Earth might cause your brain to burst! You need to take in huge timelines (the first life on Earth formed 3.8 billion years ago), huge numbers (your body is made up of trillions of cells), and even huger mysteries (why species go extinct). How can all these big numbers and concepts make more sense? Infographics! The charts, maps, and illustrations in this book tell a visual story to help you better...

Audisee® eBooks with Audio combine professional narration and text highlighting to engage reluctant readers! A plant's environment helps it grow. Weather, soil, and animals are important to a plant's survival. But do you know what happens to a plant when the seasons change? Or how earthworms help a plant's roots? Let's experiment to find out! Simple step-by-step instructions help readers explore science concepts and analyze information.

Presents four experiments using plants that demonstrate the properties of plant roots.

Examines the animals that are both vicious and adorable, including polar bears, otters, and chimpanzees.

Plants have roots, stems, leaves, and sometimes flowers. Each part of a plant does a special job. But do you know what a stem does? Or how different seeds travel away from their parent plants? Let's experiment to find out! Simple step-by-step instructions help readers explore science concepts and analyze information.

Earth is a beautiful place! See some of its most amazing sights as you find out how Wind and Water Shape the Land. Sing along as you explore What Shapes Our Earth! This hardcover book comes with CD and online music access.

Sunlight helps a plant make its own food using photosynthesis. But do you know what happens to a plant when there is no sunlight? Or what part of a plant makes food? Let's experiment to find out! Simple step-by-step instructions help readers explore science concepts and analyze information.