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Transcript
Experiment Questions Osmosis Osmosis What is a selectively permeable (semipermeable) membrane? Allows some molecules through e.g. Visking tubing, cell membrane, etc. Osmosis Describe how you carried out the investigation. Different solutions / Membrane / Observe / Time / Control /Measure /safety precaution Osmosis How were you able to tell that osmosis had taken place? Tissue or membrane swollen / water movement Osmosis State the result(s) of your investigation. e.g. heavier or swollen after Osmosis Describe an investigation that you carried out to demonstrate osmosis. Membrane or plant tissue / two solutions indicated / different concentrations / result Osmosis Describe how you demonstrated osmosis in the laboratory. Membrane or plant tissue / two solutions indicated / different concentrations / result Osmosis Describe how you demonstrated osmosis as part of your practical activities. Apparatus / type of membrane / dilute solution or (distilled) water / concentrated solution or tissue / time period / how change was observed / control Osmosis What did you use as the selectively permeable membrane in your investigation of osmosis? Visking tubing or named plant tissue
