In this lesson plan students are required to simulate activities that can affect a water source, such a river as it flows from one place to another within a community.

Learn more about Rivers and Streams through this educational resource. This site features photographs, a description, fun facts, and more about this type of freshwater ecosystem.

The USGS explains the definition of a river and how a river is supplied with water. Included is a cross section of a river. Click Home to access the site in Spanish.

Groundwater is one of the largest sources of drinking water, so environmental engineers need to understand groundwater flow in order to tap into this important resource. Environmental engineers also study groundwater to predict where...

The main site is huge with interactive links to different time periods, archival documents, photos, and artifacts. This section focuses on the time period 1600-1867 which included the first interactions between First Nations and...

75% of our earth is covered by water. Water can be found in oceans, lakes, rivers, groundwater, and sea ice. View these captivating photos of our earth showing the different water sources and images of our earth taken by NASA. Background...