Students research the economic importance of the major reservoirs in Illinois. In groups, they manage a budget for one of the lakes to promote tourism in the area. They also work together to create advertisements.

Students explore the differences between surface water and ground water. They collect data using maps and graphs and investigate a Texas river basin and a nearby aquifer. They complete a written report including maps and data regarding...

In this Washington D.C. from space instructional activity, students use a picture generated by the International Space Station and they find the scale of the image. They determine the actual size of features in the image, they find the...