Why are Dams Built?

When man first conceived a dam, it was an engineering feat he could be proud of. Not only would these structures control flood waters, but they would also help provide water to drought prone areas. They could irrigate fields. So are dams the solution to several of man’s problems? The power point presentation that follows will help the teacher discuss with his or her students what a dam is, how it functions, the different kinds of dams, and the reasons dams are being built. The teacher can also use this presentation to generate a debate in class on the advantages and disadvantges of building dams. Do the disadvantages outweigh the advantages? Apart from causing ecological problems, what are the ethical issues involved in building a dam? The PPT also suggests some activities and games that the children can play in order to gain a deeper understanding of dams.

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