Green Slate Specimen Stem Diameter_8mm the diverging surface yielding virtual

the diverging surface yielding virtual reduced upright images suited to introductory optics

Students will investigate the suitability of gravimetric analysis for determining the amount of water hardness in the form of calcium carbonate found in various water samples

Open-frame demo motor with two opposing coils on a spinning axle and 4mm banana inputs

Beaker stands 9

larger-footprint versions of the 12mm series for field-line mapping and magnetic separation exercises

Green Slate Specimen Stem Diameter_8mm the diverging surface yielding virtualFine grained foliation planes cleave into flat sheets, a defining feature of slate formed from low grade metamorphism of shale under directional pressure.