Middle schoolers explore Earth science by participating in a weather identification activity. In this scientific instrument lesson, students identify several weather related tools such as the weather vane, thermometer and rain gauge....

High schoolers find the altitude of the Sun at 10 A.M., at solar noon, and at 2 P.M. by measuring the height of the gnomon and the length of the shadow at each time. They record the measurements in their notebooks for later conversion.