Activity Books Understanding Water Activity Book | 页面 59

An acre is a measure of land area. An acre foot is a basic measurement of water volume. An acre foot of water is enough water to cover one acre of land one foot deep; or enough water to put 10 inches of water on a football field. One acre foot of water is 325,851 gallons. If an urban family of five uses one acre foot of water for all its needs for one year… How many gallons per person is this? How many gallons of water does your family use in a year? CONSERVATION of water means using less water because you want to use less, not because you have to use less (rationing). If your family can do things that will result in using 10% less water, how many gallons of water would be saved? What would you do to save water? If your family can do things that will result in using 20% less water, how many gallons of water would be saved? What would you do to save water? 57 C O N S E R V A T I O N