Enhance your understanding of reaction rates with the 2019 Collision Theory Gizmo! Dive into surface area, concentration, and catalysts to uncover how they impact chemical reactions. Experiment with reactant concentrations, surface area settings, and catalyst presence to measure reaction half-lives. Predict and observe how catalysts influence reaction rates. Maximize your learning potential by exploring the interplay between surface area, concentration, and catalysts. Step up your chemis…