一、开展小实验、小制作、小论文、小调查“四小”活动《标准》建议说:教师应选取那些既能引起学生的兴趣,又与现实生活有密切联系的素材供学生课外学习,提出一些实际问题或现象让学生进行调查或观察。例如,在学习电能和电能表时,教师就可以布置学生在家中亲自用电能表等测量电视机在待机状态下所消耗的电功率是多少,测量一下电脑(特别是台式电脑)在“休眠”时和正常工作状态下所消耗的电功率的差额是多少,并由此估算一个家 First, to carry out small experiments, small productions, small essays, small surveys “Four small ” activities “standard ” proposal said: teachers should select those that can not only cause students’ interest, but also closely linked with the real life material for extracurricular Learn to ask some practical questions or phenomena for students to investigate or observe. For example, when learning electrical energy and energy meters, teachers can arrange for the students to measure the electrical power consumed by the television in the standby state by using a power meter or the like at home, and measure how long the computer (especially the desktop computer) "And under normal working conditions, what is the difference between the electric power consumed and the estimation of a home