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Apply today for the HHMI BioInteractive Ambassador Academy! The Academy is a multi-year professional development experience designed to support evidence-based teaching practices. We’re looking for educators with diverse backgrounds and teaching contexts who are committed to centering equity in their classrooms.Description
Air is an invisible gas as are hydrogen and helium. How can you tell if a balloon contains hydrogen? Hydrogen has particular physical and chemical properties that can be tested. Dr. Cech enlists student volunteers to show how a chemical reaction can be used to identify a substance.
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