Grade 1 - 2

Born on the prairie, Laura Ingalls Wilder was a true pioneer. She devoted much of her life to helping others in the classroom and on the farm. Travel the Midwest with the author in this… More →

From mountains to rain forests, this series explores the basic physical features that make up our planet. Young readers will discover each feature of Earth, how it formed, and what plants and More →

When it comes to lemurs, it's a woman's world. Females rule--they eat first, win all family arguments, and fight enemies on the front lines. Learn why you'd want to be "one of the ladies" in… More →

Levers are simple machines that make work easier. There are three different classes of levers. Students will learn what levers are, how the classes of levers differ, and how the construction… More →

How does a tadpole become a frog? How does a butterfly's diet change from larva to adult? Follow insects, birds, fish, mammals, reptiles, and amphibians as they transform into adults. Young… More →

Coral reefs are home to thousands of living species, including some of the most vibrant plants and animals on the planet. Many reef inhabitants help each other survive. Sea anemones, for… More →

Barren land, little rainfall, and deadly temperatures are well-known features of deserts. But did you know that many desert plants have long root systems that grow in search of water? Plants… More →

For millions of years, forests have hosted complex life forms. Trees reach toward the sun as creatures of all shapes and sizes interact with their environment. Birds nestle on sturdy branches More →

Grasslands vary around the globe and are home to many life forms, including big cats and grazing animals. These sprawling fields are found on every single continent except Antarctica.… More →

Scientists believe more than half of Earth's plants and animals reside in tropical rain forests. Many species have yet to be discovered! These wet, humid forests are found near the equator,… More →

Offering a stark contrast to hot, sandy deserts and tropical rain forests, the tundra is buried in snow and ice most of the year. However, life finds a way to flourish. During the short… More →

Bogs, swamps, and marshes are all different types of wetlands. Many plants and animals rely on this biome for reproduction, safety, or simply a drink of water. Some need to adapt to this… More →