Forensic Chemistry Unknown Substances Analysis Kit for 15 Groups Capacity_5mL the drilled aluminum ball gives

the drilled aluminum ball gives a lightweight contrast to steel and brass balls of the same size in pendulum period and momentum-transfer demonstrations

and base differences from DNA for molecular biology and genetics teaching

Demonstration spherometer with an oversized 133 mm dial head and baked enamel finish

Two pith balls suspended on unspun silk from a brass pillar

Forensic Chemistry Unknown Substances Analysis Kit for 15 Groups Capacity_5mL the drilled aluminum ball givesUnknown substances forensic kit challenges students to identify chemicals through systematic testing, analytical procedures, and evidence analysis.