Discussion about how to teach junior high school biology class.doc

Discussion about how to teach junior high school biology class According to a lot of practice shows that the biological junior beginner, even the most common vegetable names are not written, such as the “lettuce” instead of “nest-Ju” and “spinach” instead of “spinach” and “water chestnut (ji food “instead of” Qi (qi food “and other common plants are what subjects, in addition to more familiar cruciferous cabbage, the other almost do not know, I think the use of physical and intuitive teaching is very important, such as to guide students in extracurricular scientific and technological activities in the content of the textbooks produced by some common plants soaked specimens, such as the Solanaceae, Cucurbitaceae, Cruciferae, Malvaceae and other representatives of the common plants, these plant specimens made with 5% of the formalin preserved as a visual teaching aids, very good to learn the biological. Here I introduce some learning of biological methods. First, the use of hands-on learning biological Positioning theory of brain function that constitutes the human brain consists of two hemispheres, the brain of the human motor and sensory tube 140 is a reasonable cross, left hemisphere functions? Focus on logical thinking, such as language, logic, teaching, analyze, judge, etc., the right hemisphere focuses on the thinking in images, such as space, graphics, music, art? etc. left and right brain hemispheres as if two different types of information processing systems, they Gesiqizhi, complement each other, collaborate together to complete the thinking activity. Zuoyou the two hemispheres of the physiological structure of information exchange is the corpus callosum, which consists of two hundred million nerve fibers, can handle per second passed back and forth between the two hemispheres of 4 billion information the traditional teaching of biology, the cultivation of logical thinking, attention, thinking in images contempt development does not focus on the ro