Grades 3-5

In Pictures: Journey to the Stars

In Pictures: Journey to the Stars

In the Milky Way Galaxy alone, there are hundreds of billions of stars. But that hasn't always been the case... Take a look at the life cycle of stars in this photo gallery.

In Pictures: Climate Change

In Pictures: Climate Change

Burning fossil fuels like coal and oil provide the energy that we need … but also contribute to climate change. Find out more about Earth's warming climate, its consequences, and what we can do.

In Pictures: Fossils

In Pictures: Fossils

What was Earth like millions of years ago? Explore fossil evidence about our planet’s past to discover how different Earth once looked. 

Meet the OLogist: Ed Mathez

Meet the OLogist: Ed Mathez

From Greenland to South Africa to the bottom of ocean, Ed Mathez has journeyed to study rocks. Find out where his interest began and what he’s discovered on his travels.

In Pictures: Fascinating Fish

In Pictures: Fascinating Fish

Travel to Africa's lower Congo River with ichthyologist Melanie Stiassny, and explore one of the most diverse fish communities in the world.

Meet the OLogist: Ross MacPhee

Meet the OLogist: Ross MacPhee

Ross MacPhee has always loved dirt. To him it means the opportunity to find lost things — from bones and teeth to pirate treasure. Learn more about what he’s discovered recently.

Meet the OLogist: George Amato

Meet the OLogist: George Amato

Tracking a gorilla can get hairy. Literally. Just ask George Amato, who collects hair from endangered eastern lowland gorillas to study their DNA.

Silk Road Fables

Silk Road Fables

As merchants, missionaries, and other travelers made their way between the cities of Asia, they told stories. See three of the tales that traveled the Silk Road. 

Sounds of the Silk Road

Sounds of the Silk Road

Because travelers along the Silk Road often spoke different languages, music was a good way from them to communicate. Sample some of the music they shared.

Race to the South Pole

Race to the South Pole

Check out this scrapbook to explore an amazing race that took place a century ago. Two teams of men raced across Antarctica to be the first to reach the South Pole.

Express Yourself!

Express Yourself!

You don't have to speak the same language, or even speak, to understand when someone is happy or sad. Explore how and why our brains have evolved to read facial expressions. 

Make Your Own Creatures of Light

Make Your Own Creatures of Light

Ever wonder why some organisms flash, blink, or glow? Discover how by making your own land and ocean creatures that generate light.

Interactive

Observing Jellies

Long ago, people studied jellies by peering over the side of a boat and drawing the creatures as they bobbed nearby. See how much has changed since the 1800s.

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