Lesson Snips
Who Killed the Flowers?
This could be really good, or it could be really bad! The crime to be solved is, "Who went pee in the flowerpot?" Given four imitation urine samples, young chemists or crime scene investigators perform pH, glucose, and turbidity tests to...
Curated OER
Up for the Challenge?
A general engineering quiz can be given at the beginning of your engineering or technology unit to stimulate interest. A wide variety of topics are touched by engineers, including the medical industry, energy production, building design,...
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Fiber Identification
Lab sheets for three different crime scene investigation activities are tucked into this resource. In the first activity, inquisitors examine a variety of fibers, including the fiber found at "the crime scene," under ultraviolet light....
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Lesson One: Lifting Latent Fingerprints
Crime scene investigators practice collecting fingerprints off of surfaces in order to compare them to an imaginary crime suspect's prints. Instructions for using graphite powder and a Zephyr brush to collect the evidence are outlined....
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Lipstick Chromatography/Ink Chromatography
Junior crime scene investigators are instructed in two different chromatography exercises. For female suspects, they separate and compare lipstick pigments. For male suspects, they separate and compare ink samples. A data sheet is...
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Hairy Evidence! Hair Identification
Provide a mystery hair and a set of reference hair samples for middle school investigators to place on a slide and examine under a microscope. Materials and procedures are detailed on the first page, while a data table for drawing what...
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Flesh Eating Bugs, Moldy Corpses, The Trail of a Killer
Learners read about how forensic entomologists use maggots to solve murders. In this forensic science lesson, students read an article and answer questions. They go to different websites about evidence and fingerprinting.