How to make invisible ink to write
There are many ways to send notes in class, but there is only one in which you can be sure that neither your classmates nor your teacher will be able to read, since if you get hooked by giving your friend's note, they will not see anything written in it. she and therefore you can not be punished, because you have not done anything. Now you can do it using an invisible ink, which is very easy to do and in your own home.
You will need to:- Container
- Milk
- Lemon juice
- Vinegar
- Water
- Salt or sugar
- Paper
- Toothpick or match
- Iron or lamp
one
To make your invisible ink, put these ingredients in a container. Milk, lemon juice, vinegar or a solution of 1/2 cup of water and 1/2 of sugar or salt, as ink.
two
Use a toothpick or a matchstick to write the message on a sheet or notebook.
3
Wait until the leaf has dried before giving it to your partner.
4
Once your friend receives the message with the invisible ink, you can read it if you pass a slightly hot iron on the paper or close it to a lit bulb.
