what are the materials needed to make a simple electromagnetic bell? plzzzzzzzzzzzzzz i've searched all over the web and would you believe it, THERE ISN'T A SINGLE PLACE THAT EXPALINS HOW TO MAKE A SIMPLE ELECTROMAGNETIC BELL! i need to make one for this marking period, but i'm not quite sure of the materials needed. i'd appriciate it if my question will be answered. my physics textbook doesn't answer this, my teacher, for some odd reason, refuses to tell me (i bet he doesn't know it himself!), my mom doesn't know, my dad doesn't know, my friends don't know AND NONE OF THE SEARCH ENGINES ON THE WEB CAN DIRECT ME TO A DECENT SITE! I'M GOING CRAZY! H*E*L*P!!!!!!!!!!!!