The Mystery of the Moving Stones

Scientists believe they have solved the mystery of the “slithering stones” of Death Valley (California). These volcanic rocks have been known to move by themselves across the riverbed. No one has recorded this movement until recently and researchers believe they have uncovered a possible explanation¬†for this strange movement that leaves a trail behind the¬†stones. Watch the time lapse video below, then click this link to a video story breaking down this phenomenon, to help us understand the stones’ “action.” After watching the video, Reply to the following: In your own words, what causes these stones to slither across this Death Valley riverbed?