Grade 1 - 2

It once rang out, but now sits silent. What does the Liberty Bell mean to America? Find out what the bell stands for and discover more about what makes this U.S. symbol so special. Fun photos More →

Look up at the night sky and you might see something bright. It's the moon! But where does the moon's light come from? And why does it look like it changes shape and size in the sky? Find out More →

Lady Liberty towers high above the waters below, but what does the Statue of Liberty mean to America? Find out what the statue stands for and discover more about what makes this U.S. symbol… More →

Without its light and warmth, we wouldn't even be on Earth. The sun is a powerful source of life. Learn about the closest star to Earth and all it can do. Simple text and bright, engaging… More →

A soccer ball goes this way and that from player to player as it zips across the field. A baseball goes flying to a batter and--crack!--zooms far away after making contact with a big swing.… More →

We live on a watery world! Learn about the movement of water on our planet as it comes and goes in tides and moves from here to there in currents. Approachable text and engaging photos makes… More →

Tony Hawk flipped and flew through the air like a bird before becoming a household name selling everything from skateboards to video games. And no matter how old he gets, the skateboarding… More →

What happens when a swirling column of air drops down from gray clouds? It's a tornado! Learn all about what causes this disaster, when it might strike, and how to stay safe from harm.… More →

The cat is soft and warm. Our skin feels the things around us. The sense of touch helps us learn more about the world. But how does it work? Simple text breaks down the science of senses… More →

From simple wooden dolls to talking toy robots, toys and games have come a long way between then and now. Carefully leveled text and engaging historic images help readers explore the role of… More →

From simple carts to flying planes, transportation has come a long way between then and now. Carefully leveled text and engaging historic images help readers explore the role of… More →

What happens when a huge wave crash on land? It's a tsunami! Learn all about what causes this disaster, when it might strike, and how to stay safe from harm. Carefully leveled text paired… More →