Traffic Light Egg
Traffic Light Eggs is a fun science experiment for kids to do at home. It’s an extension to the bouncing egg experiment, just more fun, more colorful and more learning. Colors always attract kids and this experiment is a color blast with the bouncing egg absorbing colored water and growing in size which amazes children! It’s yet another example of the process of transfer of liquid through a permeable membrane via the process of osmosis.
Safety First! Adult Supervision Required. Don’t Eat/Drink your Experiments, Wear safety goggles where ever required
Materials and tools required.
In the box
- Transparent Glasses
- Egg immersed in vinegar for 24 hours
- Food Color : red, green, yellow
Video on Youtube for the Experiment
What to Do!
- Take three glasses.
- Fill each glass with water.
- Put some green food color in one glass and stir to mix well.
- Similarly, add yellow and red food color to the other glasses and stir.
- Keep your bouncing eggs ready. ( Bouncing Egg Experiment)
- After 1 day, take out the colored eggs carefully from the glasses.
- Your traffic lights colored eggs are ready to play.
Images for Instructions
Working Principle of Traffic Light Egg Experiment :
An egg in vinegar becomes bouncy and rubbery in a day because of chemical reaction between the base, calcium carbonate present in the shell and the acetic acid present in vinegar. When these bouncy eggs are left in water the membrane over the bouncy egg allow water molecules to enter the egg and if the water is colored, the egg absorbs the color resulting in enlarged and bouncy colored eggs.
In this case, we have traffic light colors: red, yellow and green colored eggs. You can try with other colors also and remember the principle behind the experiment is called – OSMOSIS.
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