Growing and Shrinking Egg

Bigger or smaller, these eggs use chemistry and permeability to expand and contract.

We’ve found a method to take our famous Naked Egg experiment to a new level. By dropping your Naked Eggs into Karo corn syrup or water, you’ll witness eggs that have the strange ability to grow and shrink. It’s all an investigation into chemical reactions and permeability that is fun and engaging.

Experiment Materials

  • Karo corn syrup
  • Water
  • Vinegar
  • Eggs
  • Various glasses
  • Adult supervision

Experiment Videos

Experiment

1

Fill multiple glasses with vinegar.

2

Allow eggs to soak in vinegar for 24 hours. You will be left with the membrane, but no shell.

3

Fill one glass with Karo corn syrup.

4

Fill another glass with water

5

Place one “naked” egg inside each glass. Allow the eggs to soak for 24 hours.

6

Pull the eggs out of the glasses and observe what has happened. Notice how much larger the egg in the water is than the egg in the sugar solution.

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