1) The accumulation (build up) of excess electric charges a) voltage b) current c) static 2) After rubbing the balloon on Mrs. Jackson's head we were able to pick up paper holes. The balloon had a positive charge and a) the paper holes had a positive charge b) paper holes had no charge c) paper holes had a negative charge 3) Opposite charges a) attract b) repel c) cancel each other out 4) Alike charges a) attract b) repel c) cancel each other out

ETES Static Electricity

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？