Bouncing Egg 3

Bouncing Egg

Bouncing EggBouncing Egg is a fun science experiment for kids to do at home. It’s well known that eggs have shells that one must remove before eating but if you put eggs in vinegar, the vinegar does the work of removing the shell for you plus making it rubbery and bouncy!! That’s Right! Shell gone without breaking the shell, all you require is some simple materials from your kitchen and some patience. The bouncing egg experiment is fun to do and will teach kids about the process of OSMOSIS.

Safety First! Adult Supervision Required. Don’t Eat/Drink your Experiments, Wear safety goggles where ever required

Materials and tools required.

Materials and Tools Required

In the box

  • Transparent Glass
  • Vinegar
  • Eggs
  • Egg holder

 Youtube for the Experiment

What to Do!

  1. Pour Vinegar in a glass.
  2. Immerse an egg in the glass filled with the vinegar.
  3. Carefully, notice the bubbles on the shell of the egg immediately after you put the egg in vinegar.
  4. Leave the egg immersed in vinegar for 24 hours.
  5. For fast forwarding the process, try replacing the old vinegar after 12 hours.
  6. To get your bouncing egg, drain all the vinegar and wash your egg with water.
  7. You can play with your egg by bouncing it against a surface.
  8. Don’t be too hard on the egg otherwise you will end up with a mess to clean.

Images for Instructions

Working Principle of Bouncing Egg :

The egg in vinegar becomes bouncy because of the chemical reaction between an acid and a base. The shell of an egg is made up of Calcium Carbonate, while Vinegar is an acid. So, when calcium carbonate is exposed to an acid, it reacts to release carbon dioxide, which is visible as bubbles around the egg in vinegar.

When the egg is left for a day in vinegar, the calcium carbonate of egg shell dissolves but the membrane inside the shell, surrounding the egg remains intact. This makes the egg surface rubbery. The egg also grows in size because of osmosis. Osmosis causes some of the vinegar to move through or permeate, which causes the egg to enlarge.

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