NASA SCIence Files™: "The Case of the Energy Crunch"
Target: Grades 3-5
Length: 60 minutes
Internet: http://scifiles.larc.nasa.gov →
When the Tree House Detectives experience an electrical brownout, they energize into action to learn about Earth's energy budget. The detectives learn that not all resources are created equally and that conservation of nonrenewable and renewable energy is very important.