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1、1Improve the teaching effectiveness of biological experiments on ReflectionsNew Curriculum for junior high school biology experiments demands to know from the experimental principle, a clear purpose of the experiment, experimental methods and procedures to master, analyze experimental results, obtai
2、ned results and the experimental results according to the gradual transition to the experimental purpose, experimental procedures and scientific design to explore the experimental process, the possible results obtained and scientific experimental results. This reflects the teaching of biological exp
3、eriments in the biological importance of teaching. In my last class of biological experiments on the biology experiments to try new things and strive to improve the effectiveness of experimental teaching. First, the emphasis on students in the experimental teaching of “skills and methods” to enhance
4、 the effectiveness of biology experiments Clearly put forward the new curriculum teaching to achieve the “three goals”, that the knowledge and skills, processes and methods, attitudes and values. The new “junior high school biology 2curriculum standards” to “three goals” is the description of the kn
5、owledge, ability, emotional attitudes and values. how to achieve the “three-dimensional target”? I think, taking into account the students current learning and future development, to achieve three objectives should take the “capacity and methods,” the key. because of capacity and methods to ensure t
6、hat not all memory loss loss, and what legacy will enable us to put in a time of need re-thinking things up. Early in the study had high school biology, how did a survey of convergence. The survey found a year since the beginning of high school teaching time interrupted, the students are often very
7、high rate of forgetting of knowledge, but students in the biological experiment in the way of thinking, research methods and the scientific spirit is not lost. I think, usually teaching process is to develop student ability, so that students learn the process of learning and research methods, learni
8、ng content is to develop skills and learn methods to set. In the training methods and learn the process of capacity , students will naturally acquire this knowledge - the mastery and 3application of knowledge should be used to determine the degree of empowerment and ways to master an important indic
9、ator of the degree. in capacity-building and learning methods, students will naturally be happy to explore the mysteries of life form the courage to pursue scientific truth of outstanding moral character, and observing the world and a dialectical analysis of the problem. Therefore, biological experi
10、ments can not test the experimental teaching, must take “skills and methods” of training, their teaching practice in the experiment to grasp the mysteries of nature to explore ways to improve their abilities, while the analysis of experiments, access to biological basic knowledge, improve their scie
11、ntific literacy. Second, attention to experimental design ideas of students, enhance the effectiveness of biology experiments Several steps in the experiment to explore, experiment design ideas is the focus of teaching is difficult. Some teachers are often too long because of the experiment, in orde
12、r to complete the experiment itself and ignore the 4ideas of the analysis, which seriously affected the teaching experiment effectiveness. Such as “inquiry in the light green leaves create organic” experiment, I am class be as follows: let the students observe the covering removed after the leaf col
13、or, and then heated in accordance with the requirements of discoloration. The gap in the heating time, began to discuss the experimental program, mainly to understand “what is in control,” “What is disturbing factors”, “How cleverly set up the control group,” “How to avoid interfering factors affect
14、 the experimental results” and other experiments on the design of scientific inquiry methods and ideas. After discussing these issues, the decolorization process also basically finished, and then dropping iodine solution after rinsing. discoloration reaction time in the waiting, then the product of
15、the inspection methods and principles. Finally is the analysis of experimental results and draw appropriate conclusions. Teach students to think about how I think the idea of design experiments in order to truly let 5the students explore the classroom in the future to do better. Although the experim
16、ental teaching should pay attention to the experiment operation process, but more should pay attention to the idea of experimental design, in order to play “ TELL “teaching effect, this experimental teaching is effective teaching. reposted elsewhere in the paper for free download http:/Third, attach importance to the autonomy of the experiment students to explore and enhance the effectiveness of biology experiments Explore the classroom teaching experiment in
