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In this activity, learners simulate the process of DNA fingerprinting by using electricity to separate colored dyes.

This activity (on page 2 of the PDF under SciGirls Activity: Forensics) is a full inquiry investigation into how hairs from a crime scene are matched to suspects.

This activity guide includes instructions on how to build a "Shake Table" by mounting an eccentric mass (off center) on the shaft of a small dc motor.

In this activity, learners examine antibodies and antibody recognition using a model.

In this activity, learners design a therapeutic agent to image and/or cure various diseases in the respiratory system.

This simulation of laparoscopic surgery enables learners to practice and to learn this modern surgical technique.

In this outdoor activity, learners design devices that will catch prey or gather plants.

In this activity, learners explore the engineering behind the conveyor belt and consider the impact this invention has had on transportation and the coordinated shipping and delivery of goods.