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(2 Results)

AP6434 - $72.70
How does porosity and permeability affect groundwater aquifers? Students, through experimentation, will learn about pore size, permeability and particle size. Help students learn these important concepts and integrate math, measurement and percentage...
AP5313 - $77.50
Do all types of soil hold the same amount of water? How much more water can one soil hold than another? Students perform three easy-to-follow lab activities to determine how pore size, soil texture, compaction, and surface runoff affect the answers...
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