Grade 3 - 5

It's springtime, and the world seems fresh and new. Flowers are blooming, and baby animals are being born. It's finally warm enough to play outside without a coat! Why do the birds sing? How… More →

When the weather turns cold and it starts to snow, kids can bundle up or stay inside. But what do plants and animals do when winter comes? This series explores the natural world in winter… More →

Why are some places on Earth hot and dry? Why do other places have thick, lush forests? Why are some places blanketed with snow during the winter while others get lots of rain? The answers to More →

Some of the rocks we see around us are millions of years old. Rocks don't stay the same forever, though. Rocks are changing and becoming new rocks all the time. Inside this book, readers will More →

What will happen to a snowman when the sun starts to shine and the temperature rises? Why do puddles disappear? How does water get into the sky to fall as rain? Young readers are already… More →

How hot is a flash of lightning? How fast does rain fall from a cloud? What type of weather can pull a tree out of the ground? In this book, young readers will witness the raw power of… More →

What is happening when we see a honeybee covered with yellow dust busily buzzing from flower to flower? How exactly is the little bee helping the flowers in a garden? This book explores how… More →

Climate is the usual weather found in a place, from how much rain it gets in a year to a change in temperature during a certain month or season. Earth's climate is always changing, but what… More →

Our bodies are super machines that keep us moving, learning, and having fun. But how do they work? The secret is inside! Explore different body systems, what they do for us, and how to keep… More →

All around the world, there are sites where the horrors of the past have left a permanent mark. The dark and disturbing histories leave a lasting impression that visitors can still feel to… More →

Snowy landscapes are full of creatures that match the white world they live in. The wonderful color helps some Animals hide and lets others stand out. Explore the wild world through colorful… More →

Nearly half a million types of plants grow on Earth. Some have flowers that smell like rotting flesh, while others have grown to some crazy large and small sizes. With so many plants on the… More →