Type:

Other

Description:

Various human activities can have a negative impact on watersheds and the environment that particular watershed serves. In order to begin cleaning up the water for use, it is necessary for the student to understand the action and reactions of these activities. Various water samples will be collected and the pH analyzed leading to a discussion of activities in the area where the water was collected. Further discussion of mechanical and chemical purification processes will lead into devising a way of cleaning a jar of muddy water through mechanical processes. At this point, middle school student pairs (or small groups) will be tasked with writing a hypothesis, materials list, and procedure (protocol) for their experiment. Students should have a thorough understanding of the water cycle and pollution, and some prior knowledge of topography and the use of lands in a community. Upon completion of this activity, students will be able to demonstrate these affects on the pH of water from these sources. This teaching resource was developed by a K-12 science teacher in the American Physiological Society’s 2006 Frontiers in Physiology Program. For more information on this program, please visit www.frontiersinphys.org.

Subjects:

  • Education > General

Education Levels:

    Keywords:

    Environmental factors,Education,NSDL,NSDL_SetSpec_BEN,Ecosystem,Ecology, Forestry and Agriculture,Geoscience,Water,General,Social Sciences,oai:nsdl.org:2200/20110722031346663T,Teacher-centered/traditional instruction,Computer-assisted learning,Tutorial or self-directed instruction,Laboratory experiment,Student-centered instruction,Pollution

    Language:

    English

    Access Privileges:

    Public - Available to anyone

    License Deed:

    Creative Commons Attribution Non-Commercial Share Alike

    Collections:

    None
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