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

In this forensics activity, learners solve a mystery using “DNA” taken from the scene of the crime.

Learners use filter paper and water to analyze six different markers. They mark the paper with ink, and dip the paper in water. The water travels up the paper and dissolved ink travels with it.

Learners press their fingertip onto a clean Plexiglas sheet. The fingerprints are then revealed as learners dust over the print with fingerprint powder.

In this activity, learners combine two substances (plaster of Paris and water) to make a cast of an object's imprint in clay.