Learn how to make a rubber egg with this classic chemistry experiment.
Carefully place the egg in the jar using the spoon. Cover the egg with vinegar (about 1 cup, just enough to cover it).
Add 4 or 5 drops of food colouring.
Let sit for 24 hours.
After 24 hours, carefully drain off the liquid.
Cover with fresh vinegar (add a bit more food colouring if you wish).
Let sit for another 24 hours.
Remove from vinegar solution and rinse gently with water.
Play and explore your rubbery, squishy, bouncy, naked eggs!
Bubbles will form while the egg is soaking in the vinegar. This is the chemical reaction taking place that removes the shell of the egg, leaving just the membrane. Encourage your kids to explore their naked, rubber eggs as they learn about chemical reactions and osmosis. Examine the eggs with magnifying glass or flashlight. Try bouncing the eggs on a tray (be prepared, some may break!). Break open the eggs to learn about the parts of cells. Dig deeper by measuring the chemical reaction and exploring how osmosis works. Most of all, have fun with your rubber eggs! Learn more about the chemistry and extension activities in the article.