isabel's egg osmosis experiment
TRANSCRIPT
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Isabel Gil Dominguez8-73
EGG OSMOSIS EXPERIMENT
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To observe osmosis in a cell
Place egg in vinegar to remove shell
Measure weight of egg using a balance
PURPOSE
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Measure size of egg using measuring tape
One egg in water, other egg in corn syrup
Weigh and measure the eggs again
PURPOSE
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Egg in CORN SYRUP: (weight, size, look like)
Weigh, more
Size, much more
Look, jelly
HYPOTHESIS
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Egg in WATER: (weight, size, look
like)
Weigh, much less
Size, smaller
Look, jelly with plastic cover
HYPOTHESIS
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EggsBeakersBalanceStringMeasuring tapeVinegarCorn syrupWater
MATERIALS
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Before AfterCorn syrup Weight:
71.5 grams
Weight: 50.6 grams
Size: 16 centimetres
Size: 14.5 centimetres
Water Weight : 71.4 grams
Weight: 87.5 grams
Size: 16 centimetres
Size: 18.5 centimetres
OBSERVATIONS
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After egg sat in vinegar for 24 hours:
Large amount of foam appeared
No shellBecame squishy
and bouncy
OBSERVATIONS
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Water particles are small
Water went in the egg
Corn syrup particles are big
Water went out of the egg
OBSERVATIONS
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After egg sat in corn syrup for 24 hours:
Looked dented DeflatedSmallerCover is thinner
OBSERVATIONS
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Egg in Water Egg in Corn Syrup
CONCLUSION
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The egg in the water got larger because:
Water moved into the egg
Egg had lower concentration of water
Water moved higher concentration (water) to lower concentration (egg)
CONCLUSION
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The egg in corn syrup got smaller because:
Water moved out of the egg
Egg had higher concentration of water
Water moved from higher concentration (egg) to lower concentration (corn syrup)
CONCLUSION
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My hypothesis is incorrect because:
Water EggWeight- wrongSize- wrongAppearance- wrong
Corn Syrup EggWeight- wrongSize- wrongAppearance- wrong
CONCLUSION