Grades 9-12

Morphologic Variation in the Common Periwinkle

Young Naturalist Awards Essay

Morphologic Variation in the Common Periwinkle

The common periwinkle, now one of the most abundant marine gastropods on the North Atlantic coast, was introduced accidentally to Nova Scotia around 1857. Investigate it with an 11th-grader from Maine.

The Mysterious Peregrine Falcon

Young Naturalist Awards Essay

The Mysterious Peregrine Falcon

On a hiking trip, this 12th-grader from New Brunswick spied a peregrine falcon. A second trip brought the discovery of another falcon—a rare breeding pair. But then the mystery began ...

Life in a Vernal Pool

Young Naturalist Awards Essay

Life in a Vernal Pool

Come exploring with this 9th-grader from Texas as she watches a thriving vernal pool habitat rise up from an area of dried-up muddy earth—and then disappear once again.

Gopher Tortoises: My Endangered Fellow Floridians

Young Naturalist Awards Essay

Gopher Tortoises: My Endangered Fellow Floridians

Saddle up for a visit to the Circle F Dude Ranch, where this 7th-grader from Florida will introduce you to ... gopher tortoises. These burrowing reptiles have shovel-like forelimbs.

The Growth Patterns of Aspens

Young Naturalist Awards Essay

The Growth Patterns of Aspens

Is an aspen's diameter affected by its distance from the center of the grove? The search for the answer to this question sent this 8th-grader from Colorado on a two-year-plus expedition.

Exploring Density

Activity

Exploring Density

Why do some materials sink to the core of a planet while others float to the crust? This experiment uses marshmallow fluff and molasses to illustrate the concept of planet differentiation.

Exploring Density

Activity

Exploring Density

Why do some materials sink to the core of a planet while others float to the crust? This experiment uses marshmallow fluff and molasses to illustrate the concept of planet differentiation.

Launching and Recovering Meteorites

Activity

Launching and Recovering Meteorites

Throwing water balloons on school grounds in the name of science? Absolutely, if you do it safely, and apply what you learn to the science of finding and recovering meteorites.

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