Students use standard forensic techniques to solve the Crime of the Missing Frogs from the Biology Classroom. Examination of fingerprints, hair samples, and the chemistry of ink - using thin-layer chromatography - reveal which of 4 possible suspects is the culprit. Kit equips a class of 24 students working in 6 groups. Teacher's manual and student guide copy masters are included.
Materials included:
- 1 bottle fingerprinting powder
- 6 fingerprinting brushes
- 6 hand magnifiers
- 1 ink pad
- 6 acetate sheets
- 6 forceps
- 4 samples human hair
- 4 different brands of felt tip markers
- 6 bottles of chromatography solvent
- 6 silica gel chromatography sheets
- 1 package capillary tubes
- 1 box microscope slides
- 1 box coverslips
Materials needed but must be checked out separately:
- 6 chromatography chambers (500 ml beakers)
- 6 test tubes
- aluminum foil
- adhesive tape
- microscope
- distilled water in a dropping bottle
Find complete lesson plan here.