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