[Free Registration/Login may be required to access all resource tools.] How winds erode surfaces and form various terrain features.

In this lab activity, students will look for evidence of erosion in river or streams. This activity should take place after students have observed erosion in a model.

A series of lessons in which learners learn about landforms. Includes interpreting landforms, creating landforms, and information on Angel Island.

Young students are introduced to the complex systems of the Earth through numerous lessons on its natural resources, processes, weather, climate and landforms. Key earth science topics include rocks, soils and minerals, water and natural...

Trace the evolution in American agriculture with this interactive timeline. Learn how the history of one small Illinois farm reflects the larger changes, decade by decade.

" North China includes the densely populated and intensively cultivated North China Plain, the loess-covered uplands of Shansi, northern Shensi, and eastern Kansu, and the sparsely populated, semiarid steppes of Inner Mongolia....

Human habitation of this elongated sand dune peninsula, 98 km long and 0.4-4 km wide, dates back to prehistoric times. Throughout this period it has been threatened by the natural forces of wind and waves. Its survival to the present day...