US$ 10.00
sized to dust evenly over paper or around a magnet to make field lines visible during introductory magnetism work
and narrow — at 10 inches tall
letting students measure displacement during buoyancy investigations
this super-taster set pairs PTC
Four-finish Leslie's cube in tinplate at 13cm per side — blackened
Small Iron Clad Electromagnet Racks & Stands_Bottle Stands sized to dust evenly overSingle cell iron clad electromagnet on one C battery with integrated hooks for lifting demonstrations, showing how current through an iron core builds magnetic flux in student investigations.
US$ 10.00
US$ 19562.50