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

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

showing how different wheel diameters change mechanical advantage

capable of producing repeated sparks once the base is charged by friction

and human helminth infection for medical parasitology teaching

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.