1.) What is electrostatics?(靜電是什麼?)2.)
What is electric current?(電流是什麼?) 3.) Can electric charges be isolated?(電荷可以分離嗎?)
4.) How can we make a plastic ruler contain some charges?(如何讓塑膠尺帶電?)5.)
Why does the sweaters which we wear in winter contain charges?(為什冬天穿的毛衣會帶電?)(Lizzy)