Tuesday, October 9, 2012

Geology Kitchen #6 - Weathering

Weathering concepts are visualized for both physical and chemical weathering processes. Freeze-thaw cycles and water action are discussed using kitchen experiments, as well as wind abrasion. The chemical disintegration and dissolution of minerals and rocks is demonstrated and discussed.

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Monday, October 1, 2012

Geology Kitchen #5 - Chemical & Biological Sedimentary Rocks

Chemical and biological sedimentary rocks are discussed in this video. Carbonates, including limestones and dolomites are discussed, and cave stalactites are made. Evaporites are made in pan on stove experiment, and coal and chert are also examined as other forms of sedimentary rock. This episode is to be paired with the "Clastic Rocks" episode for a complete review of the sedimentary rock types.

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