Posted in Science

Eggy science experiment

Smarties love science. Whenever they have their hands on youtube, they will search for science experiments and watch how people conduct the experiments or doing research. They watched so many of the shows that they requested to have their own science experiment show too! Of course, mummy will be uber glad to be able to help them video record their very first show.

Smarties were pretty nervous and their speech wasn’t really consistent, and pardon my video skill, as I have some issues getting the right focus. Nonetheless, a very good try on their very first attempt on the video!

We did a very simple experiment, without much setup required. All you need is just:
– a glass of fresh water
– a glass of salt water and
– 2 eggs (you can use 1 egg too if you don’t have 2. Just need to “reuse” the egg)

Why this experiment?
Smarties wondered why the same object can float or sink in different types of water? Well, that got to do with the *density of the object and the water surrounding it. When the water is denser than the object, the object will float. In order to make the water denser, we added salt to it. Now, let’s explore with the eggs!

Psst…in order for the egg to float up high, you need lots of salt added to the water. Go ahead and try with different amount of salt in the water and see how the egg floats in it. It’s really fun because seeing is believing!

*density = thickness or compactness of a substance



I am a busy mummy of 2 wonderful kids. Their thirst for learning has made me busy researching and making learning resources/materials for them. Most of the time will be according to the topics that they have requested. Otherwise, I will randomly pick a topic and create the materials for them. Most of the time, the materials will include right brain training as well. From them, I get to learn a lot too! However, material preparation is quite a challenge! It will even be more challenging if you are a working parent! Here, I would love to share what we have done and hope busy parents out there will find our materials useful for their little one. If you have any queries/comments or if you have any topics that you would like to cover with your little one(s), do drop me a message and I will get back to you as soon as I can :) Our mission is to find, discover and reveal the fun of kids learning! Drop us a message if you are interested in any of our materials. Let's make learning fun!

18 thoughts on “Eggy science experiment

  1. I am going to do this experiment with G. He’s been getting really interested in science lately after the grape and orange: which-one-will-float they did in school.
    Cherry (


  2. wow this is really pretty fun! Just a thought though… can you still eat the egg that has been soaked in salt water? Will salt enter through the shell, making the egg salty? :p


    1. We ate the egg. It didn’t get into the egg though, maybe because we didn’t really soak it in the salt water for long. The egg is still edible 🙂

      At most become salted egg, now that’s IN thing right? hahaha


  3. haha your kids are so cute and enthu about doing the video! Love their voracity for learning. I think it’s great that you do these little experiments with them. I admire your perserverance! I tried but these days, just too little mental capacity to even do some activities with them!


  4. This reminds me of an experiment my kids did using eggs and vinegar. I must write it up.

    By the way, your boy did a lovely job of presenting! It’s tough work, I know.


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