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Topics/Subjects:
Earth processes  
Earth structure  
Materials Cost:
$1 - $5  
Learning Time:
2 to 4 hours  
Instructional Strategies:
Identifying similarities and differences  
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Students will time the flow of water through soils with different properties and measure the amount of water held in these soils. They will also experiment with the filtering ability of soils by testing the pH of the water before and after it passes... (View More)

Multiple activities illustrate the concept of changes in bodies of water over time. Emphasis is placed on the use of remote sensing to monitor changes in water bodies that are due to climate change, erosion, drought, human intervention and natural... (View More)

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