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Chapter 11 - Weather Patterns and Climate

earth_science

Unit D - Astronomy, Weather and Climate

Chapter 11 - Weather Patterns and Climate

Investigate what causes weather patterns and seasonal changes. Learn more about El Niño and a Derecho.

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Classroom Activity

Crazy Cold Air

Why does cold air rush out of a freezer when you open the door? How does it then move through a room? Experiment to learn the answers—and gain insight into the blustery winds of Antarctica.

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Science Bulletin

Derecho

On July 4, 1999, a rare and terrifying storm swept through the Boundary Waters Canoe Area Wilderness in northern Minnesota. What began like a standard-issue thunderstorm soon turned strange and fierce, generating green clouds and strong winds reminiscent of a tornado. In fact, the storm was a cousin of the tornado: a derecho (pronounced "de-RAY-cho"), a type of storm so infrequent and fast-moving that only in recent years have meteorologists begun to understand how to recognize and forecast it

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Article, Online Resource

Studying Tree Rings to Learn About Global Climate

By taking biopsy-like samples from centuries-old Siberian pines, scientists have reconstructed a 300-year record of temperature changes for the Arctic and the Northern Hemisphere.

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Article

Sea Ice and Climate in Antarctica

At the poles, it's possible to study sea ice that's 3,000 years old. Find out what scientists learn by cutting up ice cores and seeing the ice crystals' many different textures and colors.

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Article, Online Resource

Profile: Harold C. Urey

This Nobel Prize–winning chemist contributed to several scientific fields. His remarkable body of work spanned chemistry, geochemistry, lunar science, and astrochemistry.

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