Osmosis Lab

1
Osmosis Lab

• Ms. Klinkhachorn
• December 7, 2009

2
Groups Period 1

• 1 Yaneli, Anniece, Mohammed, Mercedie
• 2 Deonte, Jordan, Khadijah, Jeremy
• 3 Theo, Cathy, Amanda, Demetrius
• 4 Jonisha, Cheyenne, Elijah, Kaylin
• 5 Renissa, Brittany, Sami, Darnell
• 6 Tehaynish, Terrance, Christanah, Kayanat
• 7 Cherif, Renita, Duran

3
Groups Period 4

• 1 Bryahna, Terrance, Nyah, Astazia
• 2 Michelle, Ha, Tonisha, Amber
• 3 Maleek, Rachel, Raphael, Octavia
• 4 Toyin, James, Doloria, Nepheteria
• 5 Lasalle, Linette, Corey, Adriana
• 6 Kaniesha, Ana, Shaniqua, Kimberly
• 7 Deleonte, Bianca, Shannon

4
Groups Period 5

• 1 Caprice, Ivy, David, Jasmine W
• 2 Imani, Briana, Rodrigo, Nefertiti W
• 3 Elizabeth, Monet, Mike, Stephanie
• 4 Jimeka, Lesli, Beverly, Takyra
• 5 Malik, Theo, Lance, Devin
• 6 Jamari, Sharlotte, Atiya, Jeremy
• 7 Demarkus, Brandon, Alana, Jasmine P

5
Groups Period 7

• 1 Hamdalat, Noe, Kalani
• 2 Monica, Kenisha, Sam, Saba
• 3 Crystal, Shakira, Jazmine
• 4 Jordan, Hanh, Rebecca
• 5 John, Prince, Tymika, Saliem
• 6 Mariah, Tyler, Javion, Brandon
• 7 Lavita, Dekeira, Davonte, Jenette

6
Groups Period 8

• 1 Khadijah, Freddie, Tierra, Ciera
• 2 Kira, Cary, Latisha, Keshawn
• 3 Senequa, Annie, Devin, Phyllis
• 4 Jennifer, Eugene, Brittany, Sevastiana
• 5 Ahtiona, William, Jessica, Alexis
• 6 Donesha, Dejoun, Nick, Brii
• 7 Marvin, Biniam, Shanequa

7
Purpose Question

• What is the effect of different solutions on a
  chicken egg?

8
Research Questions

• See handout.
• Answer all questions before starting lab.

9
Hypothesis

• I think when I put the egg in vinegar it will
  __________________ because
• For non-honors, choose one as a group. For
  honors, do both.
• I think when I put the egg in distilled water it
  will __________________ because
• I think when I put the egg in corn syrup it will
  ___________________ because

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Materials

• Cups
• Eggs
• Tape
• Ruler
• String
• Wax paper
• Marker

• Triple beam balance
• Vinegar
• Distilled water
• Corn syrup
• Graduated cylinder
• Napkins
• Rubber bands

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Data
Observations Mass (g) Size (cm)
Before Vinegar
After Vinegar
After water/ syrup
12
Procedures Day 1 Honors

1. Using the tape, label the cups Cup A and Cup
   B. Include your group number and your period.
2. Observe egg. Record in table.
3. Measure the circumference of the eggs at the
   largest point. Record in table.
4. Measure the mass of the eggs using the triple
   beam balance. Record in table.
5. Measure out 150 mL of vinegar and put into each
   cup.
6. Gently place one egg in each cup.
7. Cover cups with wax paper.
8. Wash hands with soap and water.
9. Allow egg to sit overnight.

13
Procedures Day 1 Regular

• Using the tape, label the cup with your group
  number and period
• Observe your egg. Record in table.
• Measure the circumference of the egg at its
  largest point. Record in table.
• Measure the mass of the egg using the triple beam
  balance. Record in table.
• Measure out 150 mL of vinegar and put in cup.
• Gently place the egg into the cup. Cover with wax
  paper.
• Wash hands with soap and water.
• Allow egg to sit overnight.

14
Procedures Day 2 Honors

1. Get your supplies
2. Remove eggs from vinegar. Place on paper towel.
   Observe. Record data. (Take some time to play
   with the egg. Be careful)
3. Find the mass of the eggs.
4. Find the circumference of the eggs.
5. Empty vinegar into proper container. Rinse cups.
6. Measure out 150 ml of distilled water. Put in Cup
   A. Place egg A in cup.
7. Measure out 150 ml of corn syrup. Put in Cup B.
   Place egg B in cup.
8. Cover cups with wax paper and rubber bands.
9. Wash your hands!
10. Let sit over night.

15
Procedures Day 2 Regular

• Get your supplies
• Remove egg from vinegar. Place on paper towel.
  Observe. Record data. (Take some time to play
  with the egg. Be careful)
• Find the mass of the egg.
• Find the circumference of the egg.
• Empty vinegar into proper container. Rinse cup.
• Measure out 150 ml of distilled water/corn syrup.
  Put in cup with egg.
• Cover cup with wax paper and rubber bands.
• Wash your hands!
• Let sit over night.

16
Procedures Day 3 Honors

1. Get materials.
2. Remove eggs from cup. Place on paper towel.
3. Observe, measure the size, and find the mass of
   each egg.
4. If you want, pop the eggs to see the inside
   contentsmake sure you clean up the tables
   afterwards.
5. Discard cups, napkins, and eggs.

17
Procedures Day 3 Regular

• Get materials.
• Remove egg from cup. Place on paper towel.
• Observe, measure the size, and find the mass of
  the egg.
• If you want, pop the egg to see the inside
  contentsmake sure you clean up the tables
  afterwards.
• Discard cups, napkins, and egg.

18
Analysis Questions

• See handout.
• Answer all questions in complete sentences.
• Use graph paper to make your line graph.

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Conclusion

• Includes..
• Answer to your purpose question
• Was your hypothesis right or wrong? Why?
• What could you do in the future to extend this
  experiment?