Students should use annotated diagrams to explain the formation of a waterfall, demonstrating understanding of the different hardnesses of rocks involved and the different erosion processes that ...

The formation of this incredible phenomenon dates between 17,500 and 11,500 years ago during the last ice age where huge glaciers carved and shaped the landscape which enabled the waterfall to form.

Where a river begins Features of a river's upper course How waterfalls, gorges and other physical features are formed Wildlife you might find near or in the upper course This resource is suitable ...

With temperatures falling in Shanxi province, Hukou Waterfall on the Yellow River in Jixian county formed a unique ice floe scene on Saturday morning. [Photo by Lyu Guiming/For chinadaily.com.cn ...