Global Change: Where Land, Air and Water Meet

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Link to Resource: http://www.earthsciweek.org/classroom-activities/global-change-where-land-air-and-water-meet
Resource Type:Classroom Activities; Curricula and Instruction
Grade Level:
5 6 7 8
Language:English
Organization:American Geosciences Institute (AGI); Earth Science Week (ESW); United States Geological Survey (USGS)
Summary:The atmosphere is a mixture of gases. Similarly, the world's oceans and fresh waters contain dissolved chemicals. Many substances dispersed in air or water are measured in parts per million. Some of these substances are colorless, odorless, and tasteless, yet even in small quantities they can be toxic. In this activity, our objective is to develop an understanding of parts per million as a concept, teams of students will create successive dilutions of a solution to reach a parts-per-million concentration.
Earth Science Big Ideas:Big Idea 1; Big Idea 3
NGSS Discplinary Core Ideas:ESS2.A
NGSS Performance Expectations:MS-ESS2-1
NGSS Science and Engineering Practices:Developing and using models
NGSS Crosscutting Concepts:Stability and change
Subjects: 6-8; atmosphere; earth science week; environment; middle school; oceans; water availability; water quality
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