Learners examine different types of soil have different capacities for retaining rainwater. For this science lesson, students determine that if the soil in an area will not hold enough rainwater there may be a flood. Learners experiment...

A sophisticated map tool that shows the capability of soils for agriculture, with or without irrigation, for the whole of the United States. Enter a location and a color coded map is shown, along with a key for interpreting it. The...