Physics Experiment Electric Ball Novelty Students Teaching Equipment Description:
Size: 100*70mm
Colour: White
Material: PVCThisequitpmentisdesignedforthepupils, inordertoexplorethesecretofhumanbodyasaelectricconductor. Itwillguideandmotivatechildrenstheinterestofscience. Instruction: Ithastheinnercircuit, designedoftwohemispheres;theedgehastwometalscrewswhichpeoplecouldtouch. Theinnerofballhashighenergymicrobattery. Method:1. Totouchoneofscrewsbyoneh&. Theinnerlightofballisnton, anditshowsthatitfailstotheformationofcircuit.2. Totouchtwoscrewsbyyourhandsrespectively, itmeansthecircuitconnectswithhuman. Theinnerlightison, anditprovesthathumanisaelectricconductor.3. Ifyoutouchthetwoscrews, theharderyoutouch, themorebrighterthelighthas. Why?4. Totestwith several students, handbyh&, Thefirstandthelaststudenttouchthetwoscrewsrespectively. Theinnnerlightwillon. Aslongasonestudentletgo, thelightwilloff. Note: Childrenunder 6shouldbeguidancedbyparents. Donttouchthefamilyelectric-networktotestthisexperimentinordertoprotectyoufrompotentiallydeadlyelectricalshock. Package Included:1 Experiment Electric Ball