A thin aluminum coating produces great sensitivity to electrostatic charges. Styrofoam pith-like balls measure 8 mm in diameter and each has a silk su...
Made from tin with an element stamp, measures 2 cm(0.8") per side, perfect for density, specific gravity, and specific heat activities in classrooms a...
Comprises an inverted “U” tube with its ends closed by sintered discs. For use in experiments involving the measurement of cell EMF under conditions o...
The movement of liquid currents due to differences in temperature is demonstrated by introducing dye into the water in the tube. One corner of the tub...