Detailed lesson plans are described so that this topic may be incorporated into the classroom. The Exploratorium offers an excellent article on the sliding rocks. Includes a Real Media Sound Clip. A strange case of the creepy crawlies. There are some things in nature that you can't argue with.
Rocks are heavy.
Rocks are inanimate. Rocks are just plain stone-dead. Yet, there is a place in the world where the rocks seem to just get up and move when no one is looking. If you wish to visit this strange place you better be well prepared. These rocks with legs are located on the Racetrack Playa in Death Valley, California.