Videos
View Dr. Dirt's YouTube Channel Here
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Oxidation and Reduction
Dr. Dirt explains how the charge of
soil affects a variety of soil characteristics.
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Particle Density
Dr. Dirt explains how the variability
of particle density.
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Calculating Particle Density
Ever want to learn how to calculate the particle density
of a soil? Find out here.
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Fruit or Vegetable?
Learn the difference between
fruits and vegetables.
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The Importance of Soil
Dr. Dirt explains the importance of soil
throughout history.
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What is Weathering?
Chemical and physical weathering is
demonstrated using crackers.
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