How is the water that comes out of our faucets made safe for consumption? Students will learn about the processes performed at water treatment facilities, and then engineer their own small scale filtration plant. Once they design their filtering system, they will observe and evaluate the quality of the water they produce. Kit contains enough materials for 15 groups of students. Teacher’s Manual and Student Study Guide copymasters are included. Aligned to the Next Generation Science Standards (NGSS)* Disciplinary Core Ideas: ETS1.A; ETS1.B; ETS1.C Performance Expectations: 3-5-ETS1-1; 3-5-ETS1-2; 3-5-ETS1-3; MS-ETS1-3; MS-ETS1-4 Cross Cutting Concepts: Influence of Science, Engineering, and Technology on Society and the natural World Engineering Practices: Asking Questions and Defining Problems; Constructing Explanations and Designing Solutions; Planning and Carrying Out Investigations; Analyzing and Interpreting Data; Developing and Using Models Kit Includes: 1500g Fine Sand 1500g Gravel 300g Activated Charcoal 5mL Green Food coloring 25mL White Vinegar 30 Coffee Filters 1 bag Cotton Balls 75 Plastic Cups DOT Info: Non-regulated WARNING: This product can expose you to chemicals including Respirable crystalline silica, which is known to the State of California to cause cancer. For more information go to http://www.P65Warnings.ca.gov. *”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.