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This lab allows you to learn about two forms of passive transport: diffusion and osmosis. You will compare and contrast similarities and differences in the processes of diffusion and osmosis. Use a colorimetric test to demonstrate the movement of a solute across a semi-permeable membrane. Set up an environment likely to facilitate osmosis and gather data to determine whether or not osmosis may have occurred. 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: LS1.A Performance Expectations: MS-LS1-2; MS-LS1-3; HS-LS1-2; HS-LS1-3Cross Cutting Concepts: Systems and System Models; Structure and Function; Stability and ChangeEngineering Practices: Developing and Using Models; Planning and Carrying Out Investigations
Kit Includes:30 pc. Dialysis Tubing1 cpsl Starch (to make 100ml of 1.0% Solution)1 btl. Sucrose (to make 100ml of 0.5M Solution)15mL Iodine/Potassium Iodide Solution 30 Plastic Cups
*"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.