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A 4 DVD set containing approximately 44 segments showing various science demonstrations or illustrations of abstract concepts that a classroom teacher may not be able to do because of financial, time, safety or equipment concerns. Most demonstrations are followed by animations to illustrate and explain the abstract concepts. This DVD incudes: Making Aspirin Perkin's Experiments Chiral Molecules and Polarized Light Making Polyethylene Polyethylene Polyacryionitrite Earth's Atmosphere Depletion of Ozone The Hydrological Cycle The Carbon Dioxide Cycle Acid Rain and Limestone Lime Water and Carbon Dioxide Silicates Thermite Reaction