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Lesson Plan

Colour separation

Separate colours in leaves and pen ink using chromatography
Science content (2016 curriculum): 
Chemistry: Physical Changes, Solutions, Mixtures and Separating (2, 4, 5, 6)
Curriculum connection (2005 science topic): 
Physical Science: Properties of Matter (grade 2)
Physical Science: Chemistry (grade 7)

Fall leaves are such amazing colours. We’ll explore these colours today.
We’ll use a pretty sophisticated science lab technique called chromatography.

Use the same technique to find out what colours the inks in pens are made up from.
pen colour chromatography.

Grades tested: 
Gr 1
Gr 2
Gr 3
Site tested: 
General Gordon Elementary Science Club