Circular Coil On Base, Coil With 94 Turns Of 1 mm Dia, Mounted On A Plastic Base, And Surrounds A Plastic Sheet On Which Iron Fillings Can Be Placed. Used To Observe Static Magnetic Fields Generated By A Constant Flowing Current,For Demonstration On Static Magnetic Fields.
Making Dew Kit, Classroom Pack, Includes: 15 metal cans, 15 metal backed thermometers and a Teacher's Guide for 15 pairs of students. This is to understand how dew and frost are formed and to understand the concepts of condensation, dew point, evaporation, humidity and sublimation
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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