A large quantity of foam is produced when detergent and potassium iodide are added to hydrogen peroxide. Aligned to the Next Generation Science Standards (NGSS)* Disciplinary Core Ideas: PS1.A; PS1.B Performance Expectations: MS-PS1-2 Cross Cutting Concepts: Patterns Engineering Practices: Analyzing and Interpreting Data Kit Includes: 3 x 30mL Hydrogen Peroxide, 30% 1 x 30mL Dish Detergent, Green 1 x 10g Potassium Iodide, Crystals DOT Info: Small quantity exemption 173.4 THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only *”Next Generation Science Standards” is a registered trademark of Achieve. Neither Achieve nor the lead states and partners that developed the Next Generation Science Standards was involved in the production of, and does not endorse, this product.