Knowledge and skills
- Working scientifically
- Enquiry skills
- Critical thinking
- Non-fiction writing
Investigating secret messages is a really entertaining and interesting investigation for children of all ages. A great way to start is to see if the children can create invisible ink.
You will need:
- Blank paper
- Agents e.g. lemon juice, milk, water, apple juice, orange squash, lemonade
- Cotton buds
- Small pots (paint trays work well)
Explain that you are going to try to find out what makes the best invisible ink.