Modern Marvels: Acids : Check your pH and dive into this sizzling exploration of the caustic chemicals found in nearly every facet of modern life.For over a decade MODERN MARVELS has brought grand stories to life.The ultimate celebration and investigation of engineering... (more details for Modern Marvels: Acids )

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2009-10-23 Grade: 9-10
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2010-11-12 Grade: 6-8