Read about the Sun and Moon and how they change positions in the sky throughout the day. Find out what else can be seen in the sky. More →

The only way we can learn about dinosaurs is by studying their fossils. Read about how comparing fossils shows us how different dinosaurs moved, what foods they ate, and how they protected themselves. More →

This fascinating book explains the patterns and cycles created on Earth by the influence of the Sun and the Moon, as well as by the Earth's magnetic poles and the planet's rotation on an… More →

Essential to life, water can be found in different forms all around us. This important book explains how the Earth's supply of water moves from bodies of water, to the atmosphere, and to land More →

Enjoy reading about the changes in a rabbit as it grows from a newborn bunny to a full-grown adult. More →

Do you wonder about the world around us? In this book, learn about electrical circuits and why they make a difference in our daily lives. Downloadable Teacher's Notes available. More →

This lively book will teach readers about the chemical compounds that make up all kinds of objects, giving them a new understanding of the world around them. Colorful illustrations encourage… More →

We can all make good choices to do our part to care for Earth. Read about the importance of reducing, reusing, and recycling, as well choosing items that can be used over and over. More →

Some objects must be made of certain kinds of materials to make them work the way they should. Read about how the properties of different materials, such as their hardness or weight, help… More →

Energy powers the things that make our lives easier, safer, and more fun. Read about the Earth-friendly tools that are used to gather energy. More →