Describes an approach to teaching the scientific method where an outbreak of cholera within the school is simulated. Students act like epidemiologists in an attempt to track down the source of the contamination. (PR)

While trying to explain to his seventh grade students why models are needed to study science, the author stumbled across this project idea. At the time, his class was just beginning to study geology and rocks and minerals. This unit starts by introducing the structure of the Earth so students had very little background knowledge. He wanted a quick…