My idea of high school chemistry class
-create a relaxed and pleasant teaching atmosphere.
Classroom teaching is the central link of education and teaching. In a sense, the quality of teaching depends largely on classroom teaching. Therefore, reforming classroom teaching and improving classroom teaching efficiency requires 45 minutes of quality, which is a hot spot in teaching reform. According to the characteristics of high school chemistry, such as high knowledge content, strict logic, profound abstraction and wide application, the majority of middle school chemistry teachers are required to seek novel and attractive chemistry teaching methods.
This paper synthesizes the author's teaching mode from primary school to university teachers, and studies the diversified teaching methods and learning methods in academic circles. Focusing on student-centered democratic teaching, we should create a democratic, equal, relaxed and pleasant classroom atmosphere, construct our own chemistry curriculum in senior high school, fully mobilize students' initiative in learning chemistry, and achieve the purpose of improving classroom efficiency and teaching quality.
First, realize the role transformation and strengthen the emotional communication between teachers and students.
For a long time, people have called the profession of teachers "teachers". This is because some teachers adopt the "spoon-feeding" and "spoon-feeding" teaching mode, and define classroom teaching as "the teacher talks and the students listen", and the students have to turn around the teacher without reasonable assurance for 45 minutes. Procrastination often occurs. They adopt the tactics of asking questions about the sea and keep writing throughout the class. The new curriculum emphasizes that teachers are partners, guides and participants in students' learning, and the teaching process is an interactive process of communication and development between teachers and students. The main function of teachers has changed from imparting knowledge to promoting students' development. Therefore, taking students as the main body and creating a democratic, equal, relaxed and pleasant classroom atmosphere are conducive to improving teaching quality. For example, teachers can often design some typical questions, students can discuss with each other, and then invite students to be "teachers" on the podium, and the rest of the students sit below as "judges". At the same time, in this process, the teacher uses some effective teaching terms: "You speak very well, please say it again loudly"; "Your answer is right. It seems that you will not only think, but also seriously think ". To awaken and stimulate students' learning emotions. These sentences can form the exchange of hearts and the collision of thoughts, build a confident stage for students, let students fully display themselves and enjoy the joy of success, thus enhancing their confidence in learning.
Second, adopt diversified teaching methods and learning methods to improve innovation ability.
Students' passive learning, personality depression and other stubborn diseases, as well as the problems of students' receptive learning, rote learning and mechanical training in teaching practice have been bothering us, and they are also the main problems to be solved in teaching reform. For this phenomenon, teachers can adopt various flexible teaching modes such as "self-study, communication, discussion and training", change teachers' teaching methods and students' learning methods, and cultivate students' awareness and ability of autonomous learning, cooperative learning and inquiry learning. At the same time, under the new curriculum concept, teachers are also encouraged to let students learn through research, practice or activities. "Teaching and learning" can make students' thinking and sensory organs move harmoniously, and the atmosphere is active, from which students' innovative ability can be cultivated.
Third, skillfully use jingles, chemical formulas and rhetorical methods to stimulate students' interest in learning.
It is of course very important to strengthen memory in high school chemistry study, but if students are required to memorize mechanically and dully, they will be treated negatively and even hate learning, which will have adverse consequences. Teachers can achieve unexpected results by skillfully using jingles, chemical formulas and rhetorical methods in class. Applying vivid and appropriate rhetorical methods to chemistry teaching can also help students better understand some abstract and difficult knowledge encountered in the process of chemistry learning, make students' learning in a familiar background, increase interest and persuasion, stimulate students' desire for learning and seize students' attention. For example, redox reaction is an important knowledge point in high school chemistry and one of the hot spots in college entrance examination over the years. When the valence increases, electrons are lost and this element is oxidized. This substance is a reducing agent, and the formula "deoxidizer" can be used. In the teaching process of chemical equation calculation, jingles can be used as follows: chemical formula should be balanced and scalar equation should be converted; The left and right units should correspond, and the upper and lower units should be consistent; When two known quantities are encountered, it is necessary to find out the missing items to calculate; When encountering multi-step reactions, the relational method is a shortcut. When teaching the nucleus and extranuclear electrons, we can compare the nucleus to the sun and the extranuclear electrons to the earth, so that we can explain the microscopic world vividly.
Fourth, attach importance to chemical experiments and cultivate scientific inquiry ability.
Chemistry is a practical science. Chemical experiments, with their vivid and intuitive features and peculiar phenomena, arouse students' strong curiosity and thirst for knowledge, easily arouse students' strong interest in chemistry, make them have a desire to actively explore knowledge, and cultivate their innovative spirit and ability. In chemistry class, teachers should do more demonstration experiments, students should do more inquiry experiments, and create conditions to do more experiments as much as possible, so that each student can gain rich and novel experiences and insights, stimulate students' interest in learning chemistry through personal experience and hands-on practice, and learn scientific inquiry methods at the same time, thus cultivating students' love for science. For example, in the teaching of hydrogen chloride solubility, the teacher demonstrated the red fountain experiment, and the students were very interested. At this time, many questions can be asked: Why did the water come up? If the gas is replaced by chlorine, will it have the same effect? What are the conditions for forming a fountain? Faced with these new problems, students' thinking will be extremely active, and each student's attention can be focused on the classroom. As the saying goes, "seeing is believing", but "seeing is believing". If students do experiments by themselves, they will have a deeper understanding, stronger memory and more vivid application of what they have learned.
Fifth, create superior conditions and make full use of various teaching methods.
Creating conditions and making full use of various teaching methods is a link that can not be ignored in improving teaching efficiency. We use the principle of intuitive teaching in class, paying attention to both language intuition and physical intuition and analog intuition, and using slide projectors, projectors, movies, televisions, videos, VCD and multimedia to serve the teaching. By using these multimedia tools, students can avoid being bored in their studies, and some toxic reagents can also cause harm to human body and pollution to the environment. In a word, the effect of multimedia teaching is better than conventional traditional teaching, because it integrates sound, image, animation and video, which enhances the artistic effect and appeal of the classroom and improves students' interest in learning. The application of modern information technology in chemistry teaching can expand information time and space, increase classroom teaching capacity, feed back teaching information in time, and greatly improve the efficiency of teaching and learning. A large number of colorful, vivid and interesting animation designs and exquisite audio-visual pictures are used in the multimedia courseware of chemistry. At the same time, we can give full play to students' initiative, enthusiasm and creativity in the teaching process. Students can participate in the arrangement, processing and production of courseware, interact with teachers and students, communicate with each other, and master knowledge easily with their hands and brains.
Teaching has the law, but teaching cannot. These are the chemistry classes in my mind. In the future, I will pay attention to the optimization of classroom teaching strategies, grasp the operation links in the process of classroom teaching activities, pay attention to let students actively participate in teaching activities, and take student activities as the main line to ensure the improvement of students' thinking and innovation ability, so as to realize the new curriculum goal of unified and harmonious development of students' knowledge and skills, processes and methods, emotional attitudes and values.
Kindness ~ ~ Please specify: No.65438 Normal University +0.