[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about the six types of erosion and deposition that create Earth's landforms. Includes a few questions to check for understanding.

Extensive information about glaciers. Tells about the life of a glacier, how they form, how they impact the surrounding areas, and what happens when glaciers stop growing. Includes a photo gallery, and links to scientific research on...

Lots of information here about glaciation, types of glaciers, the formation of glacial ice, changes in glacier size, how glaciers move, glacial erosion, landforms produced by glaciers, glacial deposition and drift, effects of glaciation...

Explains what is meant by the deposition of sediments by wind and water and provides examples of the resulting landforms.

Learn about various rock types and the rock cycle.

The NPS offers a good description of the three main types of valleys, lesson objectives, and modeling activities.