Sorting Recyclables Name____________________________ Example Date_______________Bell___________ Below is an example of a process for separating a mixture by physical processes. Remember, your procedure must result in the materials being separated from each other. You cannot “automatically” simply state that white materials will be put in one pile”. “all Example: you have a mixture of salt, pepper, and pencil shavings. Step Input Describe the process, What property What Go to Take notes here during include equipment and is used to material(s) step… execution of procedures separate are in each or process. new group done 1 All Dump all materials into Density: materials: a tub of wood is less a. Pencil done Salt, dense than shavings pepper, Pencil shavings will water and will pencil float to top, scoop them float b.Salt, shavings out. Water, 2 pepper 2 Salt, Filtration: Solubility: a. pepper done water, Pour water in tub Salt is soluble pepper through a coffee filter. in water, Collect saltwater. pepper is not b.Salt, water 3 Pepper will be left in filter 3 Salt, water Distillation: Boiling Gently heat saltwater to Water will a. salt done evaporate water. Salt evaporate at a will remain. lower temperature b.water done than salt. Sample Key: Boxes List materials at each step – Separation Process Flow Describe the step / Vertical lines – I.D. physical property
Sorting Recyclables Name____________________________ Example Date_______________Bell___________ Below is an example of a process for separating a mixture by physical processes. Remember, your procedure must result in the materials being “automatically” separated from each other. You cannot simply state that “all white materials will be put in one pile”. Example: you have a mixture of salt, pepper, and pencil shavings. Step Input Describe the process, include equipment and procedures What property is used to separate What material(s) are in each new group Go to step… or done Take notes here during execution of process. 1 All materials: Salt, pepper, pencil shavings Dump all materials into a tub of Pencil shavings will float to top, scoop them out. Density: wood is less dense than water and will float a. Pencil shavings done b.Salt, Water, pepper 2 2 Salt, water, pepper Filtration: Pour water in tub through a coffee filter. Collect saltwater. Pepper will be left in filter Solubility: Salt is soluble in water, pepper is not a. pepper done b.Salt, water 3 3 Salt, water Distillation: Gently heat saltwater to evaporate water. Salt will remain. Boiling Water will evaporate at a lower temperature than salt. a. salt done b.water done Sample Key: Boxes – List materials at each step Separation Process Flow Vertical lines – Describe the step / I.D. physical property