Aluminum Pendulum Bob with Hook, 25mm Lab Equipment and Supplies_Sensors supplied in a wooden case

supplied in a wooden case for full-classroom harmonic investigations

demonstrating that electrostatic charge concentrates most densely at the tip where surface curvature is highest

and human helminth infection for medical parasitology teaching

Illustrates liquid-density changes with temperature using a weighted 75mm hollow copper sphere that floats in 15°C water and sinks as the water warms to 30°C

Aluminum Pendulum Bob with Hook, 25mm Lab Equipment and Supplies_Sensors supplied in a wooden caseAluminum 1 inch diameter pendulum bob at 0. 7 oz with a removable threaded brass hook, the lightest option in the series for mass dependent period comparison experiments.