Invisible Ink
Materials
- Lemon Juice
- White paper
- Cue tip
- Light source (the bigger the better)
To do this experiment you don't need must, just the four things above. You dip the cue tip into the lemon juice and write your secret message onto the paper. You shine the light onto the paper and it will reveal your secret message.
Scientist Pryde demonstrating the invisible ink.
No comments:
Post a Comment