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Janessa Peters 8-14
Purpose To observe osmosis in a
cell.
Put egg in vinegar
Measure weight of egg
Measure size of egg
Purpose 2 Put one egg in water
Put other egg in corn syrup
Weight and measure both eggs
Hypothesis Water Egg : It will get
larger
It will be heavier
Corn Syrup egg : It will get bigger
It will be heavier
Materials Vinegar
Water
Corn syrup
String
2 eggs
Measuring tape
Balance
2 beakers
Observations
Corn Syrup Egg
Before:
W- 64.9 g.S- 16.0 cm
After:
W- 35.3 g. S- 13.0 cm
Water egg
Before:
W- 65.8 g.S- 16.5 cm
After:
W- 83.3 g.S- 18 cm
Observations 1. bubbles come up from
the egg
2. eggs are now floating, there is white foam (after 2 hours)
3. after 24 hours shell is soft, jelly like, and squishy
4. corn syrup egg looks soft after 2 days, soggy and brownish.
Conclusion : Water Egg ~ Water Egg : Larger
~ Water : Higher
~ Egg : Lower
~ Water goes from high to low
SIZE = right
WEIGHT = right
LOOKS = right
Conclusion : Corn Syrup Egg Corn Syrup Egg : Smaller
Corn Syrup : Low
Egg : High
Goes high to low
SIZE = wrong
WEIGHT = wrong
LOOK = right
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