Summary Separate colours in ink pens and/or leaves using chromatography Science content Chemistry: Physical Changes, Solutions, Mixtures and Separating (2, 4, 5, 6) Activities in this lesson Chromatography with coloured marker pens Chromatography with black markers and forensics of ink on a note Chromatography with leaf colours Chromatography with coloured candy Procedure Do one or more of the activities to separate a mixture of colours, and demonstrate the technique of chromatography. Notes Brock: coloured marker pen chromatography, then black marker pen chromatography to figure out which pen wrote a note. Seymour: coloured marker pen chromatography, then coloured candy chromatography with skittles Grades taught Gr 1 Gr 2 Gr 3 Gr 4 Gr 5 Gr 6 Gr 7
