Physics Experiment Electric Ball Novelty Student's Teaching Equipment
Description:
Size: 100*70mm
Color: White
Material: PVC
Thisequitpmentisdesignedforthepupils,inordertoexplorethesecretofhumanbodyasaelectricconductor.
Itwillguideandmotivatechildren’stheinterestofscience.

Instruction:
Ithastheinnercircuit,designedoftwohemispheres;theedgehastwometalscrewswhichpeoplecouldtouch.
Theinnerofballhashighenergymicrobattery.

Method:
1.Totouchoneofscrewsbyonehand.
Theinnerlightofballisn’ton,anditshowsthatitfailstotheformationofcircuit.
2.Totouchtwoscrewsbyyourhandsrespectively,itmeansthecircuitconnectswithhuman.
Theinnerlightison,anditprovesthathumanisaelectricconductor.
3.Ifyoutouchthetwoscrews, theharderyoutouch,themorebrighterthelighthas.
Why?
4.Totestwith several students,handbyhand,Thefirstandthelaststudenttouchthetwoscrewsrespectively.
Theinnnerlightwillon. Aslongasonestudentletgo,thelightwilloff.
Note:
Childrenunder6shouldbeguidancedbyparents.
Don’ttouchthefamilyelectric-networktotestthisexperimentinordertoprotectyoufrompotentiallydeadlyelectricalshock.
Package Included:
1 × Experiment Electric Ball