Grade 3 - 5

It's time to explore space! Learn all about the history and science of humans making discoveries beyond Earth, from the first time humans looked into the sky to blasting beyond our solar… More →

Did you know that astronauts train for spacewalks by going underwater in their spacesuits? Or what about that engineers have programmed robots to explore space on their own? Astronauts,… More →

Did you know that the very first rockets were made from bamboo and gunpowder? What about that a Mars rover once played a birthday song for itself? And how about that the International Space… More →

From the moon landing to aliens visiting Earth, space is full of mysteries. But some things can be explained with science. Learn about the scientific method and how it can help you discover… More →

Compelling entries in this encyclopedic-style series reveal the secrets of space. Extraordinary photos are paired with comprehensive text in an engaging yet manageable format perfect for… More →

Our solar system is home to giant, faraway planets that are much different than Earth. Explore the features and composition of your favorite planets, the sun, and the moon through vibrant… More →

From giant anthills and complex beehives to the vast network of underground tunnels and nests dug by prairie dogs, many animals build towns that rival human cities in size and scope. Come… More →

I see bacon, lettuce, tomato, mayo, and tomatoes poking out from between two pieces of bread. It's time to deconstruct diets. Take a look at the ingredients that can go into a sandwich. Learn More →

Most days, schools are filled with students learning in classrooms, studying in libraries, and eating in lunchrooms. Yet what about the reports that something more unusual has been spotted in More →

She shoots. She scores! A basketball swishes through the net, and a football flies through the uprights. But have you ever stopped to think how these things happen? Explore the science behind More →

It's a busy day at Happy Valley Farm and the farmer llama needs your help! Take a tour of the farm as you learn all about spreaders. Be sure to pay attention so you can pass your farmhands… More →

In Spring, early readers will explore the season of spring. Vibrant, full-color photos and carefully leveled text will engage young readers as they discover how spring weather affects the… More →