Dirt Batteries: 4-H Stem Club (Grades 3-7)

Earth Batteries Just in time for Earth Day, participants will learn about electrons by making a working battery using potting soil. Dirt batteries, or earth batteries, are devices that generate low-voltage electricity using moist soil as an electrolyte between two dissimilar metal electrodes (typically copper and zinc). These water-activated, sustainable cells operate via harvesting electrons released by microbes in the soil as they decompose organic matter. Children in Grades 3-7 are welcome to register./ Limited to 12 participants If your child is are unable to attend event, please cancel reservation at least 24 hours in advance either online or contact the library at 914-337-7680 / Spots are limited to 12 participants. If you have been placed on waitlist, please keep an eye on your email if we have cancellations.