【摘要】 依据估算的特点和地位 ,探讨普通物理教学中培养学生估算能力的一些方法 ,涉及的基本内容为光电流的估算、静电平衡时导体感应电场强度的估算和维持人体体温所需的食物估算等更多还原

【Abstract】 According to the features and status of estimate,this paper discusses some methods of developing the students′ abilities of estimate in general physics teaching.The estimate of photocurrent,of the electric field intensity of conductor induction when electrostastic equilibrium exists,and of the food that needed to maintain the tempreture of human body are specifically presented in this paper.更多还原