🎨Color-Changing Invisible Ink

A Magical Science Experiment Kids Love

Want to write secret messages that magically appear? This classic experiment lets kids create invisible ink that changes color when revealed. It feels like a magic trick, but it’s actually science at work!

🛒 What You’ll Need

• Baking soda
  
  

• Water
  
  

• Cotton swabs or small paintbrushes
  
  

• White paper
  
  

• Grape juice or turmeric tea (for revealing the message)
  
  

• Small bowl
  
  

• Spoon
  
  

🧪 How to Make Invisible Ink

1. Mix 1 tablespoon baking soda with 1 tablespoon water in a small bowl. Stir until fully dissolved.
   
   

2. Dip a cotton swab or paintbrush into the mixture.
   
   

3. Write a message or draw a picture on white paper using the invisible ink.
   
   

4. Let the paper dry completely. Once dry, the message will disappear!
   
   

🔮 Reveal the Secret Message

5. Pour grape juice into a small bowl or brew turmeric tea and let it cool.
   
   

6. Dip a clean paintbrush or cotton swab into the juice or tea.
   
   

7. Gently brush over the paper.
   ✨ Watch the message magically appear!
   
   

🧠 What’s the Science?

Baking soda is a base. Grape juice and turmeric tea are acidic.
When the acid touches the baking soda, a chemical reaction happens that causes the writing to change color and become visible.

Science = magic you can explain 🧪✨