Wash This Way

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Link to Resource: http://www.earthsciweek.org/classroom-activities/wash-way
Resource Type:Classroom Activities; Curricula and Instruction
Grade Level:
4 5 6 7 8 9
Organization:American Chemical Society (ACS); American Geosciences Institute (AGI); Earth Science Week (ESW)
Summary:People interact with Earth’s water (hydrosphere) in a variety of ways. We depend upon water for survival, but we also need it to keep clean and help avoid spreading disease. On our ever-changing Earth, the supply of fresh water can be limited for some humans. We need good techniques to make the best use of the fresh water we do have. For example, when you wash your hands, how do you do it? With soap and water? With water alone? Do you scrub your hands or simply rinse them under the faucet? Does it even matter? Yes, it does! This activity has students coating their hand in bacteria (represented by glitter). The students wash their hands differently and compare the results.
Earth Science Big Ideas:Big Idea 5
NGSS Discplinary Core Ideas:ESS3.C
NGSS Performance Expectations:5-ESS3-1; MS-ESS3-4
NGSS Science and Engineering Practices:Engaging in argument from evidence; Obtaining, evaluating, and communicating information
NGSS Crosscutting Concepts:Cause and effect: Mechanism and explanation; Systems and system models
Subjects: 6-8; earth science week; elementary school; k-5 geosource; middle school; science; water; water availability; water quality
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