Hypothesis
It will take at least three teaspoons of salt to be added to the water for the egg to float. The reason why I think three teaspoons of salt will need to be added to water for the egg to float is because the egg a density that is lower than the density of the salt water.
Background information Density and buoyancy are the main scientific reasons for the egg floating in the salt water. Density is the measure of how tightly packed matter is (Buller, 96). For this