STEAM Activity: Floating Egg

 

What Kids Learn:

In this STEAM activity, Floating Egg, kids learn about two cool things.

  • Buoyancy: That’s when water pushes things up, like how you float in a pool.
    (When you try to float on the water, you feel lighter because the water is pushing you upward. )
  • Density: Density is like how heavy something is compared to its size.
    (For example, a heavy rock is denser than a light foam ball of the same size.)

Normally, eggs sink in water because they’re heavy, but when you add salt to the water, water becomes heavier. The egg gets a boost from the water and can float a bit. So, it’s like the salt water helps the egg float by making the water super heavy. It’s a fun way to see how heavy water can change whether things sink or float!

 

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What We Need

 

STEAM Activity - Floating Egg Materials
STEAM Activity – Floating Egg Materials

 

 

How To Do Floating Egg Experiment

 

 

  1. Fill two glasses with water.
  2. Gently place a raw egg in one of the glasses and notice if it sinks.

    STEAM Activity Floating Egg - Place An Egg
    STEAM Activity Floating Egg – Place An Egg
  3. Add salt to the water in the other glass, stirring until it dissolves.
    STEAM Activity Floating Egg - Add Salt
    STEAM Activity Floating Egg – Add Salt

     

    STEAM Activity Floating Egg - Stir Until Salt Dissolves
    STEAM Activity Floating Egg – Stir Until Salt Dissolves
  4. Carefully place the other egg into the glass of salty water.

    STEAM Activity Floating Egg - Put Egg In
    STEAM Activity Floating Egg – Put Egg In
  5. Watch what happens – does the egg float now?

    STEAM Activity Floating Egg - Egg Floats
    STEAM Activity Floating Egg – Egg Floats!
  6. Have fun experimenting and learning about why the egg behaves this way!”
STEAM Activity Floating Egg
STEAM Activity Floating Egg

 

Variations & Challenges

  • Experiment with different amounts of salt to find the concentration that makes the egg float the best. What’s the least amount of salt needed for the egg to float?
  • Instead of salt water, try using other liquids like sugar water or water with vegetable oil. How does the egg behave in these liquids?
  • Try other objects like grapes, small toys, or coins. See if they float differently in salt water compared to regular water.

 

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Author

  • Isabelle

    Isabelle has been an entrepreneur for last 22 years in retail and educational industry. She is also a mom to a child in elementary school. She believes that when kids are curious and use their imagination, amazing things can happen. She is particularly interested in STEAM learning (Science, Technology, Engineering, Arts, and Mathematics). She believes when children are encouraged to develop STEAM skills from a young age, they gain valuable tools to tackle future challenges in a creative, imaginative, and innovative manner. She enjoys researching STEAM and craft activities, plays, toys and resources and share with parents.

    http://steamandcreate.com Isabelle

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