Science Experiment: Secret Message

Swing into the family weekend by writing and exchanging secret notes with your child. Imagine creating an invisible ink using easy-to-find household supplies and unlocking your secret message with a little heat! Aside from spending quality time, a creative weekend is just what your family needs.

What you need

• Lemon juice
• Water
• Paper
• Paintbrush
• Table lamp

What to do

1. Pour a cup of squeezed lemon juice into lukewarm water
2. Give it a nice stir
3. Dip your paintbrush into lemon water
4. Using the same brush, write a secret message on a piece of paper
5. Dry your paper close to a heat source (a table lamp would do!)
6. Once the paper is completely dry, watch your secret message appear!