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This is a set of five lab guides for constructing various types of batteries: 1) voltaic pile, 2) electrochemical cell, 3) lemon cell, 4) storage cell, and 5) a zinc-carbon dry cell battery. It was developed by David Katz, chemistry instructor and author of <i>Chemistry in the Toy Store</i>. For grades 4-8, the voltaic pile experiment and the lemon cell would be most appropriate, as there are no safety hazards. <b><i>Safety Precautions</b> The electrochemical cell and the storage call use sulfuric acid, which is corrosive. The zinc-carbon dry cell battery uses zinc chloride, which is a skin and eye irritant.</i> This item is part of a much larger collection of resources that include lesson plans for K-12, labs and hands-on activities, authentic assessments, projects spanning several days, and detailed guides for demonstrations.

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