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How to make an egg float. Experiment for children

How to make an egg float. Experiment for children


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During the bath, while we are submerged in the water, it seems that we weigh less. But what really happens is that our body fights against the push of the water and that is why we float. The more density the water has, the greater the thrust it will do, therefore, the more we will float.

Something similar happens to the egg in the following children's experiment. As you will see, the salt increases the density of the water making the thrust greater, therefore, the egg in the glass with salt water floats more than the first.

  • 2 eggs
  • 2 crystal glasses
  • Salt

Tip: The amount of water you should add has to be enough to completely cover the egg.

1. Take two crystal glasses and fill them with water. Then put an egg in one of the glasses.

2. Add salt to the glass that has no egg.

3. Stir the salt with a teaspoon so that it mixes well with the water.

4. Put the second egg in the glass of salted water. You will see that it floats close to the surface while the egg immersed in unsalted water remains at the bottom of the glass.


Video: Egg Floating in Water Experiment - Science Projects for Kids. Educational Videos by Mocomi (June 2022).