още малко..........

Това също може да послужи:
http://translate.google.bg/translate?hl=bg&langpair=en%7Cbg&u=http://www.educypedia.be/education/physicsexperiments.htm
и това: http://translate.googleusercontent.com/translate_c?hl=bg&langpair=en%7Cbg&u=http://www.funsci.com/fun3_en/electro/electro.htm&rurl=translate.google.bg&twu=1&usg=ALkJrhjTeqHqHspYA50g4i4M_3AZzGWNUQ#2