These labs cover density, conservation of mass, stoichiometry, percent composition, periodic trends, types of chemical reactions, flame tests, the mole concept, thermochemistry, atomic structure, and so much more. See complete list of labs below. Great lab experiences are the key to a successful chemistry or physical science course. Spice up your class by having your students perform these 15 "Must-Do" chemistry and/or physical science labs.Students love lab work! If you give them plenty of lab