Affect of An Eggs Circumference
Due to Osmosis of Different Liquids?
Problem:
Background:
Water tends to move across the membrane until equilibrium is reached. Then the concentrations of water and sugar will be the same on both sides of the membrane. The two solutions will become isotonic. Hypertonic is when one side has more strength than the other. Hypotonic is when the one side has low strength.
The net movement of water out of or into a cell produces a force known as Osmotic Pressure. When in a cell Osmotic Pressure can cause a cell in hypertonic solutions to shrink, and one in hypotonic to swell. Cells contain salts, sugars, proteins, and other dissolved molecules, they are almost always hypertonic to fresh water. In plant cells, Osmotic Pressure can cause changes in the size of the central vacuole, which shrinks or swells as water moves into or out of the cell.
Hypothesis:
Materials:
- Egg
- Beaker
- Water
- Vinegar
- Food Coloring
- Salt
- Soap
- Ruler
- String
- Sharpy
- Paper (to record data)
Procedure:
- Observe eggs features, measure circumference, and right down observation and measurement on paper.
- Get materials listed above.
- Get beaker. Place egg inside of beaker, then submerge egg with vinegar.
- Soak egg for two days.
- Blot dry.
- Repeat step 1.
- Soak egg in water for two days.
- Blot dry.
- Repeat step 1.
- Soak egg in Food Coloring.
- Blot dry.
- Repeat step 1.
- Soak egg in oil for two days.
- Blot dry.
- Repeat step 1.
- Begin your paper!