The Mystery of Lyle and Louise: The Smoking Gun™ Gunshot Residue

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470144-922EA 176.9 USD InStock
470144-922
The Mystery of Lyle and Louise: The Smoking Gun™ Gunshot Residue
Educational Materials Forensics Educational Materials Trace Evidence Learning Activities
Did the Suspect Fire the Gun?

  • Grade Level 10-College
  • Links to a real world scenario
Suspicious powder was found on several surfaces at two different crime scenes. Your students must determine if the powder is gunpowder or another substance.

Students will do a series of presumptive tests to determine if powder from several surfaces is gunpowder. Then they will learn how to analyze gunpowder with a scanning electron microscope (SEM) using a set of video clips filmed at the SEM lab at Marshall University. Students will receive a hard copy of the graphs, images, and other evidence from the SEM to determine if the substance is indeed gunpowder.

Supplies are included for up to 30 students working in six groups. As in all Lyle and Louise modules, this kit is geared to high school and undergraduate courses, and is matched to National Science Education Standards.

Materials Included:
SEM data for 12 particles
Positive and negative control swabs
Gunshot residue swabs
Alcohol swabs
Pipettes
Diphenylamine
Sodium rhodizonic acid,
Web access to fully illustrated teacher's manual with technique background.



   
 

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