摘要
借助自制教具,突破力臂教学难点,使学生理解杠杆五要素:支点、动力、阻力、动力臂、阻力臂。不仅提高科学教学效率,而且培养了学生的探究能力。
The paper states how to solve teaching difficulties by using self-made teaching aids in order to help students understand five elements of pivot, power, resistance, power arm and resisting arm. That improves science teaching efficiency and students’ exploration ability.
出处
《宁波教育学院学报》
2016年第6期130-132,共3页
Journal of Ningbo Institute of Education
关键词
支点
动力
阻力
动力臂
阻力臂
pivot
power
resistance
power arm
resisting arm
