Danilyn's Egg osmosis experiment black and white

Danilyn Sanchez

8-73

Egg Osmosis Experiment

To observe osmosis in a cell

• Place egg in vinegar (to remove the shell)

• Measure weight of egg using balance

• Measure size of egg using measuring tape

PURPOSE

To observe osmosis in a cell

PURPOSE

• Place another egg in corn syrup• Place one egg in water

Corn Syrup Egg:

Size: Smaller

Weight: Lighter

Looks like: Weakened Surface (white part, not

shell)

HYPOTHESIS

HYPOTHESIS

Water Egg:

Size: Larger

Weight: Heavier

Looks like: Stronger surface

MATERIALS

Balance String

Vinegar Water

Eggs

Measuring Tape

Beakers

Corn Syrup

OBSERVATION

Before AfterWeight: 71.5g

Weight: 50.6g

Size: 16cm Size: 16cm

Weight: 71.4g

Weight: 87.5g

Size: 16cm Size: 18.5cm

Corn Syrup

Water

OBSERVATION

After Vinegar:

Eggshell disappeared

Egg= squishy, bouncy

After corn syrup 24hrs:

Egg= dented, deflated

After water 24hrs:

Egg= Fatter

CONCLUSION

Water Egg

Water moved into egg, due to egg having a lower concentration

than water

water enters egg = egg got larger

Water moved from high concentration (water) to low concentration (egg)

CONCLUSION

Corn Syrup Egg

Water moved out of egg, due to egg having higher concentration than corn

syrup

Water (from egg) enters corn syrup= egg got

smaller

Water moved from high concentration (egg) to low concentration (corn syrup)

CONCLUSION

Hypothesis ConclusionCorn Syrup size- incorrect Corn Syrup weight-

correct

Was not smaller than predicted it Weighs lighter, than original stayed equal, proof: proof:

proof:

__________________________________________________________

Corn Syrup looks like- correct• Egg = weaker surface

than original

Time Before After

Size 16 cm 16 cm

Time Before After

Weight 71.5 grams

50.6 grams

Before After

CONCLUSION

Hypothesis ConclusionWater size- correct Water weight- correct

• Larger than original size, Heavier than original weight, proof: proof:

__________________________________________________________

Water looks like- incorrect • Egg looked fatter

• Did not look like surface got

tougher

Time Before

After

Size 16 cm 18.5 cm

Time Before After

Weight 71.4 grams

87.5 grams

Before After