Give the subject of energy a zap! This workbook offers a brief overview of energy, its sources and uses. With clear vocabulary and illustrations, it's a great introduction to what fuels us.

What on Earth? This reading comprehension work revolves around facts and myths about our own planet. Extend your child's reading skills and help ideas take root with this down-to-earth workbook.

Embark on a worldwide animal safari with this nature-lover's workbook! Learn about animal habitats, endangered species and more, all while honing reading comprehension skills.

The activities in this workbook do double-duty as both vocabulary practice and earth science review with a collection of word scrambles, crosswords, and quizzes about animals, plants and planets.

Your child will improve language arts skills while learning about life science in this workbook. It includes word searches, reading exercises, creative writing, spelling tests and other activities.

This workbook explores the myths, science, and history of our efforts to understand the skies with light reading. Introduce kids to gravity, moon phases and stars with basic activities and stories.

Water is the source of life—and of fascinating science! Full of exciting experiments, this workbook brings to life important concepts like water density, the water cycle, and the chemistry of water.

Dive into earth and life science with this book on aquatic biomes. Research reefs, learn wetland animals, and explore the squishy world of swamps in this book about these wet and wild ecosystems.

Why does the earth spin? How is a rainbow formed? Feed the flame of curiosity in your child, and find out the answers to some of those age-old questions about how the world works.

Nature documentaries might make the animal world seem graceful, but it's actually pretty gross! Explore all the icky, sticky and smelly things animals do to help each other survive in the wild.

Did you know that light can bend? Help your curious kids learn the important physical properties of light and explore how light adds colors to our world, with this beautiful series on light and color.

A biome is a community of plants and animals that occupies a distinct region. In this great introductory overview, we explore the vocabulary, flora, and fauna of the world's biomes: tundra, taiga, grasslands, deciduous forest, chaparral, desert, savan