Strange natural wonders
Chapter 1
The fiery history of the Door to Hell
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Answer
Chapter 2
The sliding stones of Death Valley
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Chapter 3
Cracking the scientific codes
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Chapter 4
Extreme life in extreme places
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YOUR GOAL
Master of Strange natural wonders
Ch 2 · The sliding stones of Death Valley
misslily Sailing stones, sailing stones, Sliding on the ice when the winter wind blows.
Fun Fact
Heavy rock travelers: Some of the moving rocks in Death Valley weigh as much as 700 pounds, yet they still slide hundreds of yards.
Glossary
playa (noun)
A flat, dry lake bed in an arid region, typically composed of clay, silt, or salt. In Death Valley, heavy boulders mysteriously slide across the flat surface of Racetrack Playa, leaving long trails.
A flat, dry lake bed in an arid region, typically composed of clay, silt, or salt. In Death Valley, heavy boulders mysteriously slide across the flat surface of Racetrack Playa, leaving long trails.
Quiz
What is the highest recorded temperature in Death Valley, making it one of the hottest places on Earth?
Quiz
What is the maximum weight of some of the heavier sailing stones in Death Valley?