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Find Out About Rocks and Minerals: With 23 Projects and More Than 350 Photographs
Find Out About Rocks and Minerals With 23 Projects and More Than 350 Photographs Author:Jack Challoner Learn about the incredible world beneath your feet - igneous, metamorphic and sedimentary rocks, precious metals and beautiful crystals. Fascinating facts are accompanied by practical step-by-step projects that show you how to test rocks for hardness, simple soil analysis, make your own fossils, look at erosion, create crystals, and much more.