If you soak chicken bones in acetic acid (distilled vinegar), you’ll get rubbery bones that are soft and pliable as the vinegar reacts with the calcium in the bones. This happens with older folks when they lose more calcium than they can replace in their bones, and the bones become brittle and easier to break. Scientists have discovered calcium is replaced more quickly in bodies that exercise and eating calcium rich foods, like green vegetables.


This is actually two experiments in one – here’s what you need to do:


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8 Responses to “Rubber Eggs”

  1. Aurora Lipper says:

    Yes indeed, if you put a bone in vinegar, it will dissolve the calcium in that bone.

  2. hey this is Abram im just was just thinking what if i put my bone in the vinegar like would it end up like the egg.

  3. Aurora Lipper says:

    The egg will crack if there is still calcium in the shell. Be sure to soak the hard boiled egg in vinegar for at least two days. Be sure the vinegar level is above the egg by at least a centimeter. If the shell still cracks, try soaking a new hardboiled egg for three days.

  4. arrowmakercpi says:

    How do we keep one part of the egg from cracking?

  5. Hi mrs.Lipper

  6. Does it wreck the egg

  7. Hello?

  8. Will the egg pop?