BSCS Biology: Unit 2 – Homeostasis (11‐09)
Name
Date
Eggs‐periment Analysis Questions
Hour
Use your knowledge of the lab and the data from the lab to answer the following questions.
1.
In 1 sentence describe what happened in each of the following set‐ups. Be sure to use the following terms in your
sentence: inside the egg, outside the egg, water, concentration, osmosis, greater
a. Egg in Water (Set‐up A)
b. Egg in Karo Syrup (Set‐up B)
c. Egg in Egg White (Control)
2. Determine the percent change you would predict at the following times.
a. The control egg at 10 hours = __________________________
b. The egg in water at 16 hours = _________________________
c. The egg in Karo syrup at 13 hours = _____________________
3. Which of the set‐ups had the biggest overall change in percent mass?_______________________________
a. Briefly explain why the percent change for this egg was so much greater than the other set‐ups.
4. How do you think this lab can help you understand what was happening in the story about Josh when he used up
all of his juice?