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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Answer
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 3 · Cracking the scientific codes
misslily The heavy desert rocks are sliding! (On the ice!) / A windy winter sheet is gliding! (So precise!)
Fun Fact
Ice sheet power: The ice sheets that push Death Valley's rocks are as thin as window glass, yet they can move boulders.
Glossary
playa (noun)
A dry, flat area at the bottom of a desert basin that temporarily becomes a shallow lake. In 2014, scientists finally solved the mystery of the sliding rocks on California's Racetrack Playa.
A dry, flat area at the bottom of a desert basin that temporarily becomes a shallow lake. In 2014, scientists finally solved the mystery of the sliding rocks on California's Racetrack Playa.
Quiz
What technology did researchers attach to the experimental Death Valley rocks to track their movement?
Quiz
Who was the first explorer to descend to the bottom of the burning Darvaza gas crater?
Quiz
In what year did scientists finally capture the first video evidence of the rocks moving in Death Valley?
Quiz
What weather phenomenon acts as the primary sail to push the heavy rocks in Death Valley?
Quiz
Why do the sailing stones of Death Valley move so slowly that the motion is barely visible?
Quiz
What type of ice is responsible for helping the sailing stones of Death Valley move?