Demonstrate polymer chemistry. Newsprint is dissolved in a solution of ammonium hydroxide and cupric sulfate. The solution is then added to a sulfuric acid solution and dark strands are formed.
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; Interdependence of Science, Engineering, and Technology; Influence of Science, Engineering and Technology on Society and the Natural world
Engineering Practices: Analyzing and Interpreting Data; Scientific Knowledge is Based on Empirical Evidence; Obtaining, Evaluating and communicating Information
1 x 125mL Copper Sulfate, 25% Solution
1 x 175mL Ammonium Hydroxide, concentrate
1 x 200mL Sulfuric Acid, 0.5M Solution
UN2672, Ammonia solution, 8, III, Ltd Qty
UN2796, Sulfuric acid, 8, II, Ltd Qty
*”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.
WARNING: This product can expose you to chemicals including Strong inorganic acid mists containing sulfuric acid, which are known to the State of California to cause cancer. For more information go to http://www.P65Warnings.ca.gov.