• Yasmeen Kamrani Sallam

Hidden Colors

In a cupcake tin place a base of drops of food coloring or liquid water colors. Next cover the color completely with baking soda until it is hidden. Provide your child with a condiment bottle, dropper, pipette, or medicine syringe. Have them squirt vinegar onto the baking soda to discover and reveal the hidden color through a chemical reaction.



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