Science, Maths & Technology
Challenge: Make paper and ink
...change the colours. For example, logwood creates a blood red solution, although it will change to blue in alkaline solutions and to yellow-orange in highly acidic solutions. Finally, the scientists used a range of coloured inks on our Rough Science paper. They made brushes out of Ellen's hair and used Acacia seed pods as ink pens. Find out more Paper Handmade Paper - from...