AP BIOLOGY READINESS QUIZ Grid Ins 1. Calculate the total surface area and volume of an agar cube with a side whose length is 2 cm. Show all work! 2. Calculate the surface area and volume of a sphere with a radius of 2 cm. Show all work! 3. The following graph represents the percent change of zucchini cores in various molarities of sucrose at a room temperature of 21 degrees Celsius. Group 1 Group 2 Group 3 Group 4 Distilled water 20.59% 13.33% 14.81% 15.00% 0.2M sucrose 2.94% -3.39% -7.69% -2.94% 0.4M sucrose -14.52% -18.64% -15.38% -17.65% 0.6M sucrose -23.81% -26.23% -23.08% -18.18% 0.8M sucrose -29.03% -26.32% -26.92% -20.59% 1.0M sucrose -28.33% -29.31% -30.78% -24.24% Class Average Find the class average % change for the zucchinis in the .2M sucrose solution. Write your answer here. _____________________ Graph the data on the graph below. Include titles and units for full credit. What is the molarity of the zucchini core?______________________ ANSWER KEY 1. 2. 3. 4. B B C D Grid Ins 1. Surface Area = 24 cm2 Volume = 8 cm3 2. Surface Area = 50.24 cm2 Volume = 33.49 cm3 3. Group 1 Group 2 Group 3 Group 4 Class Average Distilled water 20.59% 13.33% 14.81% 15.00% 15.93% 0.2M sucrose 2.94% -3.39% -7.69% -2.94% -2.77% 0.4M sucrose -14.52% -18.64% -15.38% -17.65% -16.5% 0.6M sucrose -23.81% -26.23% -23.08% -18.18% -22.8% 0.8M sucrose -29.03% -26.32% -26.92% -20.59% -25.71% 1.0M sucrose -28.33% -29.31% -30.78% -24.24% -28.16% 4. % Change in Mass Molarity of sucrose