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

In this activity, explore chromatography and the various colors that make up the ink in markers. Use this activity to investigate cohesion and adhesion.

In this activity, learners will design a way to identify a powder found at a crime scene by comparing it with known powders, with the goal of solving a crime.

In this fascinating and fun experiment, learners use chemistry to identify a mystery powder and to solve a "crime," a process similar to that used by real forensic scientists.

This activity (on pages 15-23) combines interactive role-playing and graphing to introduce learners to the health affects of pollen.