Grades 9-12

Interactive

Interactive: A Hotspot Trail

Yellowstone National Park lies above a stationary hotspot deep in Earth's mantle. See how previous volcanic eruptions of the hotspot have left a trail of calderas that ends, at the moment, with Yellowstone.

Biodiversity Science in Vietnam

Article

Biodiversity Science in Vietnam

Vietnam harbors an astonishing range of habitats, from rain forests and dry forests to mangroves and coral reefs. It's also home to an unusually rich array of plants and animals. Find out why.

A Day at the (Barrier) Beach: My Expedition to Sandy Hook

Young Naturalist Awards Essay

A Day at the (Barrier) Beach: My Expedition to Sandy Hook

Which has more oxygen: ocean water that has been aerated by turbulence, or bay water that has been fed by oxygen-producing plants? This ninth-grader from New Jersey learns that getting the answer is not all that easy!

An Essential Mineral

Young Naturalist Awards Essay

An Essential Mineral

At 1,292 feet (394 meters) below sea level, the Dead Sea is the lowest point on Earth. But it's not the depth but the sea's saltiness that buoyed the imagination of this seventh-grader from New York.

Exploring a Woodlot's Ecosystem

Young Naturalist Awards Essay

Exploring a Woodlot's Ecosystem

Chances are you've heard the saying "There's no such thing as a free lunch." But did you know that it's one of fundamental laws of ecology? Explore all four with this tenth-grader from Wisconsin.

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