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This investigation will help you to:
To learn more about gravity, friction, and their effect on the settling of grains in water, visit the following web sites:
Stoke's Law, Concordia College
This brief article explains the mathematical formula used to calculate how fast particles will settle in a liquid.
How fast do sediment grains of different sizes settle?, Society for Sedimentary Geology
Check out this sample lesson plan for a lab about sediment grains settling rate.