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In this activity, learners examine fingerprints. Learners leave a hidden print on a surface and then make their own print detecting powder from graphite (found in pencils).

This activity is about collecting and analyzing DNA as part of a criminal investigation.

In this two-part activity, learners will extract their own DNA from their cheek cells and learn how DNA is analyzed and used to solve crimes.

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