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NASA SCIence Files™: "The Case of the Powerful Pulleys" (2002-2003)
November 20, 2007

Target: Grades 3-5

Length: 60 minutes


In "The Case of the Powerful Pulleys", one of the tree house detectives has had an accident and cannot get into the tree house. Using problem-based learning, the rest of the gang investigates the world of simple machines and physical science and "pulls" together to get everyone into the tree house.


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