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Description

use lemon water and cotton wool buds to make secret hidden messages

Resources

water
lemon juice
cotton bud

Instructions

Mix the water and lemon juice with the spoon. Dip the cotton bud into the mixture and write a message onto the white paper. Wait for the juice to dry so it becomes completely invisible. When you are ready to read your secret message or show it to someone else, heat the paper by holding it close to a light bulb.

Tags

• experiment
• Lemon
• secret messages
• spy

Badge Links

• Communicator - Code
• Experiment - Experiment
• Scientist - Experiment