|Searched for: GEM Subject is Science
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USGS Water Science for Schools explaines the uses of ground water in the United States. The main uses of ground water include "irrigation uses, drinking-water and other public uses, and for supplying domestic water to...
The USGS Water Science for School's shows how water is used to grow crops for food and links with many techniques used by farmers to use irrigation water more wisely.
Water Science for Schools shows how crops are irrigated on a farm and explains why one method might be better than another: flood (furrow) irrigation, drip or spray irrigation. Also described are some things that many...
The USGS Water Science for School explains the role of water for electrical power-producing equipment and how it is treated.
USGS Science for Schools explains how electrical power is generated from a dam. A clear illustration labels the parts of a generator, from the stator to the turbine blades. A motion diagram shows the movement of water...
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