Investigation 2: Separating Soil by Settling

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.

IES Soils
AGI/It's About Time


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