Floating tennis shoes and oil globs wash up on the beach to set the tree house detectives in motion to investigate a unique world under the sea. Join them as they dive into learning about ocean floor topography, currents, ocean zones, and more.  
  
    
Produced by NASA Langley Research Center's Office of Educational Programs. For additional information, visit their web site at http://scifiles.larc.nasa.gov

 

Captioned for the Hearing Impaired