Kids Research Express

Dam, structure that blocks the flow of a river, stream, or other waterway. Some dams divert the flow of river water into a pipeline, canal, ...

Dams are classified by the type of material used in their construction and by their shape. Dams can be constructed from concrete, stone maso...

Building a dam changes the ecology of the surrounding area. Among the most affected animals are fish that depend on free-flowing water to li...

People build dams to divert water out of rivers for use in other locations or to capture water and store it for later use. The volume of wat...