Resource: mechanical universeand , A video instructional series on physics for college and high school classrooms and adult learners; 52 half-hour video programs and coordinated books.
William gilbert (astronomer) – wikipedia, Gilbert argued that electricity and magnetism were not the same thing. for evidence, he (incorrectly) pointed out that, while electrical attraction disappeared with heat, magnetic attraction did not (although it is proven that magnetism does in fact become damaged and weakened with heat)..
Why metal good conductor electricity – answers., Metal is a good conductor of electricity because of the nature of its bonds. in metallic bonds the electrons form a sea of electrons, allowing them free movement when a current is applied..
Magnetism kids – simple introduction, A simple introduction magnetism explanation magnets work, including domain atomic theories..
Electricity & magnetism – revolution top – teachersource., This amazing, magnetically levitated top spins horizontally. spin top observe patterns created alternating colors persistence vision..
Electricity – simple english wikipedia, free encyclopedia, How works. electricity works explained physics. types electric charges push pull : positive charges negative charges..