National Groundwater Awareness Week–March 6-12, 2016

Grade level: 4-5th grades

Skills: Pie graphs (with decimals)

Related environmental issues: Water

National Ground Water Awareness Week is an annual observance to increase public awareness of importance of groundwater. The United States depends about 20% of  national water from groundwater.  Groundwater is used for many important purposes. The pie graph below shows how groundwater is used in the nation.

Screen Shot 2016-03-10 at 12.50.10 PM

1.For what purpose is groundwater used the most?

2.For what purpose is the third smallest amount of groundwater used?

3.Fill in the blank.       _________ uses twice as much groundwater as livestock farming.

4. How many more percentage of groundwater does homes, schools & businesses use than fish farming?

Source: U.S. Geological Survey

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Answer keys

1.agriculture

2.electricity generation

3.industry

4. 19.9% (22.2 – 2.3 = 19.9)