Based on the spectacular reaction between vinegar and sodium bicarbonate. This time, however, you need more materials:
vinegar
Sodium bicarbonate
food color of different colors
liquid soap
a jar
one spoon
the tray
optional: glitter
What do you have to do:
Fill the jar half with vinegar, then add a little food color (one color) and optionally some glitter (for the artistic effect). Add a little liquid soap, mix the solution with a spoon, then place the jar in a tray.
Invite your child to pour one tablespoon of sodium bicarbonate into the jar and mix again in the jar, then carefully watch how the "magic potion" begins to turn into more and more foam that drives out. You can keep the chemical reaction by adding some sodium bicarbonate and vinegar and to change the color of the potion, mix a spoonful of vinegar with a little food color and pour the mixture into the center of the jar.
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