BreadcrumbHome » Resources » Word Search – Do What You Water Word Search – Do What You Water ActivityMiddle SchoolLess than 30 minutesWater...FreshwaterVocabularyWater Usage... Test your knowledge of freshwater and the scientific process with a word search. English Download Word Search (PDF) English Answer Key (PDF) Part Of Do What You Water: The Current Situation and Possible Future of Fresh Water in the United States Explore Full Article ContentGlossary Download PDF Glossary View All Glossary assumption(ǝ sǝm(p) shǝn): A fact or statement taken for granted (that it is true). average(av (ǝ) rij): A value that is computed by dividing the sum of a set of terms by the number of terms. category(ka tǝ gȯr ē): One of the divisions or groupings used in a system of classification. census(sen(t) sǝs): A counting of the population (as of a country, city, or town) and a gathering of related statistics done by a government every so often. data(dā tǝ or da tǝ): Factual information (such as measurements or statistics) used as a basis for reasoning, discussion, or calculation. downstream(dau̇n strēm): In the direction of or nearer to the mouth of a stream. groundwater(grau̇nd wȯ tǝr): Water within the earth, especially that which supplies wells and springs. irrigation(ir ǝ gā shǝn): The watering of land by artificial means to foster plant growth. natural resource(na ch(ǝ) rǝl rē sȯrs): A feature or phenomenon in nature that enhances the quality of human life. reservoir(re zǝ vwär): An artificial lake where water is collected and kept in quantity for use. surface water(sǝr fǝs wȯ tǝr): Natural water that has not penetrated much below the surface of the ground. variable(ver ē ə bəl): (1) A factor, trait, or condition that can be changed or controlled; (2) a quantity that may assume any one of a set of values.