Understand how the United States defines unemployment and determines unemployment numbers. Discover the difference between the official unemployment rate and the "real" rate. Details »
Classroom Resources
Explore music frequency and how it manifests in the sounds around us. Change the frequency balance in common sounds, such as the sound of a rooster, ferry, lion and laughter, and note the effects the changes have on the sounds. Details »
Conduct experiments that demonstrate the relationship between volume and surface area. Consider how scientists are creating more efficient solar panels by increasing their surface area at the nanoscale. Details »
Discover the minuscule world of nanotechnology as you investigate the macro, micro, nano and atomic scales. Conduct experiments to help you envision the size of a nanometer. Details »
Collect and analyze data to determine if salmon farms affect wild salmon by infecting them with sea lice. Create histograms and investigate the impact of wild salmon depletion on broader ecosystems. Details »
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