KIT PROPERITES OF SOAPS AND DETERG SMALL GROUP

Though similar in function, soaps and detergents differ in chemistry and performance. Students will examine the similarities and differences in the properties of soap, hand dishwashing detergent, and machine dishwashing detergent, all provided in the kit. Activities include testing pH, examining the effect of soap and detergent on the surface tension of water, foaming ability, fat emulsification, and the performance of soap and detergent in hard water. Kit contains enough materials for 5 groups. Teacher’s Manual and Student Study Guide copymasters are included. Aligned to the Next Generation Science Standards (NGSS)* Disciplinary Core Ideas: PS1.A; PS1.B Performance Expectations: MS-PS1-3; HS-PS1-3 Cross Cutting Concepts: Patterns; Structure and Function Engineering Practices: Planning and Carrying Out Investigations; Obtaining, Evaluating and Communicating Information Kit Includes: 10mL Liquid Soap 10mL Dishwashing Detergent (Hand) 10mL Dishwashing Detergent (Machine) 20mL Vegetable Oil 20mL Calcium Chloride, 5% Solution 20 Disposable Medicine Cups 20 Polystyrene Test Tubes 20 Capillary Tubes 20 Graduated Plastic Pipettes 1 Pkg/50 Universal Indicator Strips DOT Info: Non-regulated *”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.