Hypothesis
If you place one egg in a hypotonic solution and one egg in a hypertonic solution, then the egg in the hypotonic solution will gain mass while the egg in the hypertonic solution will lose mass. This will happen because the hypotonic solution has a low concentration, and more water particles than inside the egg, while the hypertonic solution has a high concentration, and has less water particles than the egg. Osmosis will occur and the water in an area of higher concentration will diffuse across the semi-permeable membrane to an area of lower concentration. The independent variable is the type of solution; the dependent variables were egg weight and water volume; and the controlled variables were the amount of solution, the type of egg, and the temperature of the solution.