Isabel Gil Dominguez8-73

EGG OSMOSIS EXPERIMENT

To observe osmosis in a cell

Place egg in vinegar to remove shell

Measure weight of egg using a balance

PURPOSE

Measure size of egg using measuring tape

One egg in water, other egg in corn syrup

Weigh and measure the eggs again

PURPOSE

Egg in CORN SYRUP: (weight, size, look like)

Weigh, more

Size, much more

Look, jelly

HYPOTHESIS

Egg in WATER: (weight, size, look

like)

Weigh, much less

Size, smaller

Look, jelly with plastic cover

HYPOTHESIS

EggsBeakersBalanceStringMeasuring tapeVinegarCorn syrupWater

MATERIALS

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

After egg sat in vinegar for 24 hours:

Large amount of foam appeared

No shellBecame squishy

and bouncy

OBSERVATIONS

Water particles are small

Water went in the egg

Corn syrup particles are big

Water went out of the egg

OBSERVATIONS

After egg sat in corn syrup for 24 hours:

Looked dented DeflatedSmallerCover is thinner

OBSERVATIONS

Egg in Water Egg in Corn Syrup

CONCLUSION

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

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

My hypothesis is incorrect because:

Water EggWeight- wrongSize- wrongAppearance- wrong

Corn Syrup EggWeight- wrongSize- wrongAppearance- wrong

CONCLUSION