1. Name ___________________________________ Period ___________ Date __________
On my honor I have worked independently on this assessment. My ideas are mine alone and if
I a thought is not my own I have properly cited it, using APA parenthetical citations and have
included 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 ______/4
Overall style (includes: spelling, punctuation, brevity, etc.). Your score _____/5 Teacher ____/5
Your Score Total________/ 45 Teacher Total Score _______/45