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In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.

In this fun, hands-on autumn activity, learners experiment to discover whether the colored substances in leaves can be separated from the leaves.

In this activity, learners will discover what colors are in different markers, and may be surprised at the results.

In this activity on page 5 of the PDF (Plants—The Green Machines), learners use chromatography to separate and identify pigments within various leaves.

In this activity (page 3 of the PDF), learners will observe a physical change.