Both isotonic and isosmotic refer to the strength of the solution,  for example, how much solute is dissolved in the solution. Isotonic  refers to the ionic strength of a soâ¦lution while isosmotic refers  to the number of molecules of solutes in a biological solution, for  example, sugar concentration.
The egg is strongest from point to point and easily crushable at the sides. Breaking an egg with steady equal pressure at each end of the egg is remarkably hard to do when considering the thin shell involved.
After the egg is dropped, the strength of the egg will be measured by how much mass the egg shell can bear. This will be measured by adding weight on top of the egg. One problem is that different eggs may have different strengths. To ensure good quality data, many eggs will be dropped for each material.