3rd Grade

Riding bikes can be a lot of fun, but it is even more fun when it is safe. Read about how people have made cycling safe over the years. There is a lot to learn about this two-wheeled pastime! Created in...

History is everywhere you look. But what happens when there is a disaster, such as a flood or an earthquake? People called conservators visit places hit by disasters. They work to save the items that represent the local...

The Arctic ecosystem is changing. The temperature is getting warmer, and the polar ice is melting. Polar scientists from around the world study the Arctic because changes there affect the entire planet. What have...

How can you make ice cream creamier? What packaging keeps cookies fresh the longest? And how do you make potato chips that taste like a cheeseburger? These are some of the problems that a food scientist tries to...

Landsat satellites are the superheroes of space. They orbit Earth to get images. These images can help stop catastrophes, and solve great mysteries. From poisoned water to raging fires, Landsat sees it all. Discover how...

Time has fascinated humans for thousands of years. We have struggled to find ways to keep track of time and predict patterns in nature. Ancient people watched the skies to study nature's cycles and mark them in time...

If you were traveling to outer space, what would you wear? Luckily, some of the best scientists have figured that out for astronauts. NASA scientists and engineers have designed the best gear to help astronauts travel...

Learn how minerals form in rocks and how minerals become gems with this informative STEAM reader! Created in collaboration with the Smithsonian Institution, this STEAM book builds students' literacy skills while...

Being a great surfer requires more than skill and instinct. It's a sport that relies on science! Without buoyancy, surfers would sink. Without acceleration, they could not travel the length of a wave. Science also...

Have you ever wondered how something flies? Wilbur and Orville Wright had the same question more than 100 years ago. Today, the Wright brothers are known as the forefathers of flight. Learn about the obstacles and...

Modern meteorologists put science to work to predict what the future holds. These predictions tell people how to dress for the day, or whether to pack an umbrella. But that's not all they do! They also track hurricanes,...

Did you know astronauts train in water before going to space? They're not the only ones who use swimming pools for training. Athletes train in water when they are hurt. Doctors use water treatments to help people feel...