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1994. B.K. Hixson. Desktop Science contains 20 opportunities for hands-on experimentation and exploration that also build observation and data collection skills in the areas of geology and botany. Topics include plants and plant hormones, greenhouses, mold and bacteria, crystals, geodes, properties of water, and more. Twenty science experiments that grow, change, and require several hours to several weeks to complete. 80 pages, soft cover, b&w illustrations. Ages 7 and up.