A lake in South America suddenly disappeared and left scientists wondering where all the water went. Is it possible that a lake can abruptly vanish? And if so, what are the causes behind this watery mystery?
Question 1 of 10
In May 2007, a glacial lake in Chile virtually disappeared. In March 2007, the lake was at its usual size of 100 feet deep and about five acres across. What was the lake's name?
Question 2 of 10
Of the following, which was not left in the wake of the disappearing lake?
Question 3 of 10
What are the names of the two shrinking glaciers that primarily fed the lake?
Question 4 of 10
What natural phenomenon occurred in April 2007 that was suspected as a cause of the lake's disappearance?
Question 5 of 10
Sometimes lake form behind naturally occurring dams made of what?
Question 6 of 10
In July 2007, scientists were able to definitively determine the cause of the disappearing lake. What was the cause?
Question 7 of 10
Lakes in which U.S. state frequently cycle through a process of disappearing and re-emerging?
Question 8 of 10
Of the following lakes, which has not disappeared and re-emerged?
Question 9 of 10
Lake Peigneur once only measured 11 feet deep, but the reversal of the Delcambre Canal caused the lake to fill up to ___ feet deep.
Question 10 of 10