Curated OER
When A Car Coughs. . .
Budding scientists collect and compare particulate exhaust from four different vehicles. They discuss how cars contribute to air quality. To get the most mileage out of this resource, have learners complete the optional step 5, in which...
Texas State Energy Conservation Office
Investigation: Tour de Texas
Teams of Texas tourists gather into groups to analyze what they can do with $50 worth of an alternative fuel. They write checks, keep a balance sheet, and map out their sight-seeing route taking into consideration the location of...