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画黑板画是生物教师应具备的教学专业技术。黑板画对提高教学质量有着很大的作用。我非常重视对黑板画的运用。下面谈淡有关这方面的一些体会。一、提高教学效率,省时省力我曾听过一位老师讲“家兔的外部形态”。他先在黑板上板书“家兔的外部形态”。然后,走到黑板一侧展示出家兔的外形挂图,并指图讲解家兔身体由5部分组成。接着,教师又回到黑板前,在黑板上写出:“身体分头、颈、躯干、
Chalkboard painting is a teaching technique that biology teachers should possess. Chalkboard painting has a great effect on improving the quality of teaching. I attach great importance to the use of blackboard painting. Let’s talk about some experiences in this area. First, improve teaching efficiency, save time and effort I once heard a teacher say “the external appearance of rabbits.” He first wrote on the blackboard “The external form of the rabbit.” Then, go to the side of the blackboard to display a rabbit’s appearance wall chart, and refer to the figure to explain the rabbit’s body consists of 5 parts. Then, the teacher returned to the blackboard and wrote on the blackboard: "The body is separated, the neck, the trunk,