Students will take on the role of investigators and analyze samples of soil, glass, dust, and metal traces to establish or eliminate a suspect’s presence at the crime scene.
There are enough materials for 24 students working in 6 groups with 4 students per group.
Materials included:
Instruction manual MSDS Soil samples Microscope slides Magnifying glasses Glass beads Bromobenzene Universal Indicator w/chart 0.5M Potassium chromate Small gummed labels 0.5M Hydrochloric acid |
Student datasheets Assessment manual Density gradient tubes (vials) Polarizing film Dropper pipettes Bromoform Plastic spoons Aluminum pans Sieve, medium Sieve, fine Forceps |
Materials needed but not included:
Test tube rack Grease pencil Microscope Gloves Suction bulbs Oven, lamp, or hot plate 25ml Erlenmeyer flasks/bottles w/stoppers Tongs |
UV light Test tubes 10ml graduated cylinders Dropper pipettes and suction bulb Distilled water Wax paper Scale White paper |
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