Introduction: How to Make Invisible Ink
Tutorial how to make invisible ink using lemon juice.
Step 1: Step 1: Materials
You will need:
A spoon (for stirring) - Did not use it in this tutorial
A cup to hold lemon juice
A small bottom (contain some water)
A cotton bud
Piece of paper
Step 2: Step 2: Prepare Lemon Juice
Cut the lemon and squeeze the juice into a container
Add few drop of waters and mix
Step 3: Step 3: Write Invisible Ink on Paper
I strip of cotton off to have finer writing
Give it sometime for ink to dry
Step 4: Step 4: Reveal the Hidden Writting
I use the matches, lightly behind the writting
The letter will be reveal by heat source
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