论文部分内容阅读
随着新课改如火如荼地展开,教学手段日益先进,电化教学媒体,如投影仪、幻灯机、录音机、录像机、视频显示器、多媒体计算机、多媒体实验演示器等,形象直观、重复再现、时空改变、动静变化、快慢可调,渐渐的,实验好像变得可有可无。其实不然,不做实验,概念抽象理解难;演示实验,耳听眼看印象深;学生实验,动手动脑能力强;多做实验,概念规律理解深。
With the new curriculum reform in full swing, teaching methods are increasingly advanced, the visual media, such as projectors, slide projectors, tape recorders, video recorders, video displays, multimedia computers, multimedia experiment demonstrators and so on, visual image, repeat reproduction, Change, speed adjustable, gradually, the experiment seems to be dispensable. In actual fact, do not experiment, the concept of abstract understanding is difficult; demonstration experiment, ears and ears to see the impression of deep; students experiments, hands and brain ability; more experiments, the concept of law to understand deep.