Understand the consequences of cultural nutrient overloading on the aquatic environment. Recognize that there may be alternative, more environmentally-friendly alternatives in typical consumer chemical goods. Demonstrate and monitor the effects of two detergent builders on natural water samples. Visually quantify the differences between phosphate and non-phosphate detergent builders on aquatic organisms. Kit contains enough materials for 15 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-PS1-2; HS-PS1-3 Cross Cutting Concepts: Patterns Engineering Practices: Analyzing and Interpreting Data; Planning and Carrying Out Investigations Kit Includes: 1 x 50mL Phosphate builder (10% Sodium Phosphate) Solution 2 x 25mL Non-phosphate Builder Solution 1 x 50mL Control (Deionized) Water 45 Plastic cups 1 box Microscope slides 1 box Coverslips Optional: Microscopes, Plastic wrap or similar 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.