Grades 6-8

What's the Big Idea About Astronomy?

What's the Big Idea About Astronomy?

Huge distances, gigantic sizes, and long periods of time—astronomy is a BIG subject. We've brought learning about it down to size with this look at the big ideas you need to know. 

Aquarium: An Ecosystem in Miniature

Young Naturalist Awards Essay

Aquarium: An Ecosystem in Miniature

In a 29-gallon fish tank, this ninth-grader from Virginia created a tropical freshwater ecosystem—and then watched how fish that could never meet in nature interacted. A 2003 Young Naturalist Award-winning essay.

Aspen Island

Young Naturalist Awards Essay

Aspen Island

2003 Young Naturalist Award-winning essay - "Some plants don't seem to notice the change in weather, but others, like the aspen, have a new outfit for each season," writes this 10th-grader from New Mexico in her winning Young Naturalist essay.

Oscawana: A Dying Lake?

Young Naturalist Awards Essay

Oscawana: A Dying Lake?

2003 Young Naturalist Award-winning essay - Oscawana has all the symptoms of a dying lake. Join this seventh-grader from New York as she hunts for the culprits—and examines what can be done to restore the lake.

Mint Your Own Coin

Mint Your Own Coin

That change jangling in your pocket is more than money—it's a record of where and when you live. Find out why coins are valuable clues for archaeologists. Then, design your perfect coin. 

They Glow!

They Glow!

Most of the deep sea is very dark, with little or no sunlight. But that doesn't mean marine animals are in the dark! Learn how these clever creatures create their own light.

What Do You Know about Astronomy?

What Do You Know about Astronomy?

How much do you really know about our place in space? Test your astronomy knowledge with this interactive quiz. Don't worry, there's no grading—just a helpful look at the answers when you're done! 

Crazy Camouflage

Crazy Camouflage

Unlike humans, some animals can instantly change the color or pattern of their skin. Take a hands-on look at how the masters of disguise known as flounders can don several different looks.

Photographing Weddell Seals from Below the Ice

Article

Photographing Weddell Seals from Below the Ice

Weddell seals spend about 90% of their time submerged, making them a tricky animal to study. Before Davis developed a special camera, scientists could only speculate about the seals' lives below the ice.

First Day at Sea and Exploration Vessels

Article

First Day at Sea and Exploration Vessels

Set sail with a team of teachers and scientists studying deep sea vents off the coast of Washington State. Experience the first day of the exciting trip—the sights, sounds, and seasickness.

Make a Scale Drawing

Classroom Activity

Make a Scale Drawing

It’s time to excavate the contents of your desk—that is, after you first create a scale drawing of the site. Explore how precise mapping helps archaeologists keep track of their finds.

How Does Where You Live Shape How You Live?

Classroom Activity

How Does Where You Live Shape How You Live?

With access to products and information from around the world, our range of choices is seemingly endless. But how would life be different if you lived in a different time and an isolated place?

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