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Direct linkSchwartz, Kerry L.; Thomas-Hilburn, Holly; Haverland, Arin – Journal of Geoscience Education, 2011
The world's population is growing by about 80 million people a year, implying an estimated increased freshwater demand of about 64 billion cubic meters annually (World Water Assessment Programme, 2009, Water in a Changing World: United Nations World Water Development Report 3, Chap. 1, p. 3-21). Groundwater depletion, which reduces the amount of…
Descriptors: Water, Earth Science, Science Instruction, Concept Formation
US Environmental Protection Agency, 2008
This activity has been designed to help students understand a variety of concepts related to water use, efficiency, and students' own impacts on their watershed. It is intended for use both in the classroom and at home. The first concept covered in this exercise is, "What is a watershed?" Ideally this concept will be conveyed in the context of the…
Descriptors: Water, Scientific Concepts, Elementary School Students, Wastes
