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

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

In this activity, learners will explore how water affects marker on filter paper. Learners will use science process skills such as making observations and predictions as they explore color.

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.