Make your own foam and explain how when two viscous liquids are mixed together, they initiate a reaction producing a light weight polyurethane foam which expands to 30 times the original volume of the two liquids.
Aligned to the Next Generation Science Standards (NGSS)*
Disciplinary Core Ideas: PS1.A; PS1.B
Performance Expectations: MS-PS1-2; MS-PS1-3
Cross Cutting Concepts: Patterns; Structure and Function
Engineering Practices: Analyzing and Interpreting Data; Obtaining, Evaluating and Communicating Information
1 x 500mL Polyurethane Foam System, Part A (Mixture)
1 x 500mL Polyurethane Foam System, Part B (Mixture)
*”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.