4th Grade

How do you build a reusable spacecraft that is strong enough to hold up in outer space, but is light enough to fly? How do you design it to meet the needs of the astronauts it carries? In the 1970s, NASA...

Leap back into history and see the first skateboards in action. Investigate the how and the why behind the modern skateboard's design. Then, watch science in action as we break down the ins and outs of popular...

Millions of blue crabs are caught in the Chesapeake Bay each year. But there is a big problem brewing in the bay. The blue crab population is shrinking. Why? Scientists and watermen have teamed up to study...

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...

Volcanoes can burn hotter than anything on the Earth's surface. But there is no doubt that nothing is cooler than a volcano! Volcanologists are scientists who study volcanoes. Learn about this fascinating STEAM...

The Wizard of Oz wasn't the first movie to use color. But it used color in a way that makes it hard to imagine the film without it. The Yellow Brick Road, the Emerald City, and Dorothy's iconic ruby slippers...

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...

Did you know that steam can be used to power engines? In fact, steam power drastically changed the manufacturing and transportation industries. Learn about the history of steam power and the engineers who made...

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...

Imagine having a job where you get paid to draw! Botanical illustrators draw detailed illustrations of plants. Learn about this job, the tools that are used, and how it helps science. In this STEAM career,...

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...

The stars in the sky are part of our galaxy, the Milky Way. Scientists have tried to map the Milky Way for centuries, but it is hard! The Milky Way is so large, scientists cannot simply take a picture of it...