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Crime Scene Investigation Lab


Innovating Science™.

Use your forensic techniques to solve the crime of the missing frogs from the biology classroom. Four possible suspects have been identified by authorities. Use fingerprints, hair examination, and chemical analysis of ink by thin-layer chromatography to help determine the most likely culprit. This activity includes a Teachers Manual and Student Guide and Analysis copy-masters. There is enough material for 6 groups.

Materials included are:
1 bottle fingerprinting powder
6 fingerprinting brushes
6 acetate sheets
1 ink pad
6 hand magnifiers
6 forceps
4 different brands felt tip markers
1 bottle chromatography solvent
6 silica gel chromatography sheets
1 pkg capillary tubes
5 self-sealing evidence envelopes
1 box microscope slides
1 box coverslips

Materials needed but not supplied:
Chromatography chambers (500 ml beakers)
Test tubes
Aluminum foil
Adhesive tape
Light microscope

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