Diffusion: Passive transport Volume 11 | Gr. 3-7 | U22707 Download Materials list • Clear plastic cups, 10 oz. (SB41297) • Plastic sandwich bags with twist ties (do NOT use zip-close bags) • Cornstarch and water mixture • Iodine, 100 ml (KM00626) and water solution • Safety goggles (SB46780) Related