How to Dissolve an Eggshell
Dissolving an eggshell is a fun science experiment you can do in your classroom or with your kids. With just a few chemicals and a little bit of time, you'll find it's actually possible to dissolve an eggshell.
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Instructions
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Place a few eggs into a small container. Make sure the eggs aren't touching or aren't likely to move so they're touching.
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Pour white vinegar over the top of the eggs until they're completely covered.
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Put the eggs into a safe place, such as the refrigerator, for a day.
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Take the eggs out of the container. Be as careful as possible. The eggshells are starting to dissolve and the eggs are very fragile now.
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Dump out the vinegar and replace the eggs into the container. If your eggs are especially fragile, transfer the eggs into a new container and dump vinegar over the top of this. This takes away an extra transfer, decreasing the chance you'll break your eggs.
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Pour fresh vinegar back into the container to cover the eggs. Give the eggs another 24 hours in a safe place.
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Check the eggs and decide whether you'll need to add fresh vinegar and give the eggs another 24 hours. Some eggshells will need 3 days to dissolve completely, while others will dissolve after just 2 days.
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Tips & Warnings
Try doing some experiments with your eggshell-less eggs.
You can try putting the eggs in vinegar for a week or two, eliminating the steps of changing the vinegar.
