Explain the principle of high surface tension as water acts like a membrane stretched across the surface preventing the sulfur particles from sinking. A wetting agent lowers the surface tension and allows the particles to fall through the surface to the bottom of the beaker.
Aligned to the Next Generation Science Standards (NGSS)*
Disciplinary Core Ideas: PS1.A
Performance Expectations: HS-PS1-3
Cross Cutting Concepts: Patterns
Engineering Practices: Planning and Carrying Out Investigations
1 x 15g Sulfur
1 x 5mL Dish Detergent, Green
*”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.