Yosemite Nature Notes 9: Frazil Ice

Yosemite Nature Notes 9: Frazil Ice

Assessment

Interactive Video

Biology

KG - University

Hard

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FREE Resource

The video explores the unique phenomenon of frazil ice in Yosemite, occurring in early spring. Frazil ice forms as small crystals of frozen mist, creating a slushy mass that flows like lava. This dynamic ice can impact infrastructure, causing damage to bridges and buildings. While it resembles snow, frazil ice is dangerous due to its unpredictable thickness and underlying water. The video also clarifies myths about its connection to snow cones. Frazil ice serves as a seasonal marker, indicating the transition from winter to spring in Yosemite.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the relationship between the snow cone and frazil ice in Yosemite.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What seasonal changes occur in Yosemite that affect the visibility of frazil ice?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Why do many visitors miss the unique events that happen in Yosemite during winter?

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