Learn how to be a spy and create secret messages only you or your friends can read!
For this activity you will need the following items:
- Paper
- Water
- Baking Soda
- Dark Juice (like grape juice)
- Paintbrush
- Small sponge or Q-Tips
Now here’s what you do:
- Mix 1 Tablespoon of Baking Soda and 1 Tablespoon of Water
- Make sure it’s mixed very well
- Now, use the mixture to write a message with the paintbrush on the paper
- Wait for it to dry… While you are waiting, look at our blog and see if there are any other activities you want to do!
- Once it is dry you can reveal the message! Dip the sponge or Q-Tip in juice and brush over the paper.
- Do you see it? How will you use this to send secret messages to friends or family?
Inspiration: https://www.shareitscience.com/2015/03/saturday-science-experiment-spies-and.html?spref=pi