Irena Egg osmosis experiment
Transcript of Irena Egg osmosis experiment
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Irena Tonnu 8-14
EGG OSMOSIS EXPERIMENT
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To observe osmosis in a cell1) Place eggs in vinegar2) Measure the weight of
the egg
PURPOSE
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3) Measure the size of the egg
4) Place one egg in water and one egg in corn syrup 5) Weigh and measure egg
PURPOSE
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Corn Syrup Egg• The weight is going to be
lighter• The size is going to be
smaller• Its going to look a little
bit brown and yellow
HYPOTHESIS
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Water Egg• The weight is going to be
heavier • The size is going to be
bigger• It’s going to look the
same
HYPOTHESIS
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• Vinegar• Corn syrup• 2 eggs
MATERIALS
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• Measuring tape and string
• Water• 2 beakers• Balance
MATERIALS
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OBSERVATIONS
Corn Syrup Egg (After 48 hours)
Water Egg (After 48 hours)
Vinegar Egg (After 24 hours)
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OBSERVATIONS
• 1) bubbles coming out of egg
• 2) after 24hrs white foam is on top of the water
• 3) the skin is gone and feels soft, jelly like
• 4) eggs got larger from sitting in water for 2 days
• 5) water egg got larger, syrup egg got smaller
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Corn Syrup Egg• Egg got smaller• Water left egg
• Water moved from high to low concentration
(osmosis)
CONCLUSION
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Water Egg• Water egg got larger• Water entered egg
• Water moved from high to low concentration
(osmosis)•
CONCLUSION
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Corn Syrup Egg• Weight- right, I thought it
would weight more• Size- right, I though it
would be smaller• Looks- right, I thought it
would a bit yellow
CONCLUSION (HYPOTHESIS)
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Water Egg• Weight- right, I thought it
would weigh more• Size- right, I thought it
would be larger• Looks- wrong, I thought it
would look the same
CONCLUSION (HYPOTHESIS)