Item Number :
(470148-974)
Item Number :
(470220-776)
Mole Set, 4 Metal Bars that Represent in 1 Molein of the Element - Copper, Iron, Zinc, Aluminum, Dimensions: 3.5 x 2.5 x 2 in, For molar mass
Item Number :
(470017-108)
Item Number :
(470016-032)
Item Number :
(470149-074)
Ratings:
Avg. Ratings: 2.0 (3 Reviews )
REVIEWS (3)
Item Number :
(470003-094)
Item Number :
(470149-540)
Item Number :
(470149-110)
Item Number :
(470148-944)
Item Number :
(470018-246)
Item Number :
(470149-510)
Item Number :
(470201-086)
Item Number :
(470200-200)
Item Number :
(470148-950)
Item Number :
(470105-760)
Item Number :
(470018-260)
Item Number :
(470149-160)
Item Number :
(470149-428)
Item Number :
(470093-852)
CENCO Electricity 1
Item Number :
(470149-426)
Item Number :
(470148-904)
Item Number :
(470039-452)
Item Number :
(470149-122)
Item Number :
(470148-820)
Item Number :
(470130-524)
Ratings:
Avg. Ratings: 5.0 (1 Review )
REVIEWS (1)
Item Number :
(470137-620)
Item Number :
(470039-916)
Item Number :
(470003-748)
Item Number :
(470201-034)
Item Number :
(470014-332)
Item Number :
(470120-754)
Item Number :
(470218-916)
Racing Rings consists of three rods one each of copper, aluminum and PVC, Ring magnet is dropped down the PVC rod, it falls unobstructed, Two metal rods create an induced magnetic field to that adds resistance to the rings travel, metals are different, they fall at different rates
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