Osmosis and diffusion post lab questions

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Osmosis and diffusion post lab questions

  1. 1. Name ___________________________________ Period ___________ Date __________On my honor I have worked independently on this assessment. My ideas are mine alone and ifI a thought is not my own I have properly cited it, using APA parenthetical citations and haveincluded a references section. _________________________________ Signature Osmosis & Diffusion Post Lab Questions 1. Construct a xy scatter plot of the average percent change in mass for all of the class data in each solution. Your graph should only have six points. You do not need to add error bars nor do you need to add a trend line. Be sure to include labels, a scientific title and a description of the figure. Your score ______/7 Teacher ______/7 2. Construct a xy scatter plot of the average percent change in mass for each of the three cubes in your data. Your graph should only have six points. You do not need to add error bars nor do you need to add a trend line. Be sure to include labels, a scientific title and a description of the figure. Your score ______/7 Teacher ______/7 3. Compare your data with the class data. Your score ______/7 Teacher ______/7 4. Comment on the accuracy and precision of the data collected during the potato experiment. Give specific examples of ways in which either the accuracy or precision (or both) of your data could have been compromised. Your score ______/5 Teacher ______/5 5. Create a weakness / improvements table. Include at least three weaknesses of the experiment and its corresponding improvement. Your score ______/6 Teacher ______/6(plus up to 3 additional points) Weakness of the Experiment Improvement for the Future 6. Explain how a person looking only at your graphs could determine when the potatoes were in hypotonic and hypertonic solutions. Your score ______/4 Teacher ______/4 7. Predict with justification the concentration of sucrose solution which would be isotonic to the potato Your score ______/4 Teacher ______/4Overall style (includes: spelling, punctuation, brevity, etc.). Your score _____/5 Teacher ____/5 Your Score Total________/ 45 Teacher Total Score _______/45

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