On the students themselves should be allowed to experiment

A
For secondary school teaching experiment, at present I am still using the traditional school teachers on the demonstration of the teaching model, students develop a passive learning habits, which is the ability of students and to cultivate the spirit of science is extremely unfavorable, but also with the school's training round development of students is extremely incompatible goals a long time high school teaching model of a single experiment, and rigid teaching methods, teaching the basic content is to verify and measure the nature, the lack of design by the students themselves with the research content. a class students in the same place, same experimental apparatus to do the same experiment, as long as the press materials on the steps to do it, you can complete the experiment. This rigid experimental teaching to some extent limit the student's initiative and enthusiasm, to inspire them interest and passion for independent thinking, limiting the student's personality development. high school teaching should be out of the original experimental errors, and try to carry out bold reforms.

Implementation phase of the subject to achieve the overall goal is to open to junior high school science experiments. In view of the characteristics of schools and student teaching situation, to change the current "indoctrination" of experimental teaching methods, students develop an initial self-study habits, test capabilities. open experimental exploration of the students creative thinking and innovation, experience, the general method of scientific inquiry, to develop the attitude of scientific inquiry of great benefit to the future in this science experiment for school teaching model of innovation has opened up a new road.

Two
School laboratory experiments to establish the instrument open, ongoing organizing students a comprehensive understanding of the experimental apparatus in the first phase of project implementation, the school and striving for modernization of education and strong schools as an opportunity to all members of the group of all laboratory instrument big clean-up, big investigation, according to modern standards of laboratory instruments and medicines were consolidated, are affixed to each instrument with labels. Laboratory experimental methods not only for students, practical skills training, more important is to develop student's sense of innovation and innovation. Moreover, the school's laboratory assistant in extra-curricular activities at any time in the lab waiting for the students to observe the experimental apparatus, and to answer students' questions.

In order to ensure the smooth progress of project implementation, each open-ended experiment, all teachers must be carefully prepared, so that the "four to": a group study and discussion to explore how to change their teaching to teach the past. Second, we must listen to students experimental class, each member should go to. Third, we must reflect on after the lectures, the students in carrying out the experiment in question, the research group members need to discuss. Fourth, attention to observation and evaluation, the experimental class the idea of ​​using personal - exchanges and discussions - to reach a consensus - the formation of the pilot program teaching steps.

Teachers in the design of the experiment to reflect the new curriculum ideas, so that: "a prominent": outstanding students are masters of learning, teachers are the organizers of student learning and guide. "Two concern": focus on the penetration of life and thought experiments , concerned about the practical innovative ability. "three to": must be a life of experiments to awaken students' emotional intelligence and desire to learn, must be dynamic in the classroom to make students active participation, self-question, explore, be open classroom, extra-curricular collection of information, all curricular experiments these measures to ensure that the issue of life to effectively carry out experimental studies of the teacher teach the idea of ​​being open, truly reflects a guiding role.

Three
Start trying to self-learning mode of instruction, some students know what to do. Teachers do not speak, how to do the experiment? So, first of all to fully let go and allow students to open thinking, cynical, full play to the imagination, bold design of experiments, from experimental to acquire knowledge. teaching "solenoid>> a class, in order for students to really know what the size and magnetic solenoid related to students ability, thinking ability, creative ability, this class of experiment has taken such a step: ① questions: Do you think the size and magnetic solenoid what about? ② students to conjecture and assumptions: "the number of sections on the battery," "and the number of turns around the wire," "and the thickness of the core," and so on. ③ develop test plan: panel discussion, conjecture for themselves, to design experiments to verify the guess is correct. and to share their experimental design method for people to discuss the feasibility of the experiment. Links to free download http:/ / www.hi138.com ④ experimental verification: group experiment, observe and record the experimental data, discussion and analysis. ⑤ exchange report: the experimental group to see the phenomenon of communication, access to experimental data. ⑥ conclusion: the student's experiments data, concluded that in this experiment, the identity of the author to guide students to inspire results give full play to the students of autonomy, active classroom atmosphere throughout the experiment the experimental design are the students themselves to complete, smart students intelligence with room to play, only teachers in the classroom play an organizer, participant roles. Students experiment in the early stages, so that they form in the mind an "I"-based concept, students do the experiment, student teachers should pay particular attention to the operation, and pointed out its shortcomings, made it clear that the reason by a large number of This experimental approach to enhance students' knowledge of.

In the latter part of student experiments, to guide students to experiment, the original is often the experimental class teacher first explain, then the students do experiments now is to let students do experiments of this preview, let him come when will guide. beginning student representative on the podium presentation, following the spirit of the students is not very concentrated, or poor discipline. but wait until the next experiment, by democratic vote, chose the experimental class did a poor or poor discipline of students lectures came to power through such an exercise and stimulate the enthusiasm of the students increased, a strong interest. usually do not like the hands of some students are moving from the hands, because this measure, students in extracurricular some early prep for the test , and with first use of their experimental apparatus has long been understood, in this based on the experiment, will be handy the student's enthusiasm and innovative thinking into full play. students through a rehearsal for experimental purposes, operation, note matters, and even experimental results are already known, as long as the experiment, "according to side fill a prescription" can complete the experiment, students in the main role, motivation and creativity into full play.

Four
Open experiment, teachers will only give experimental subject, there is no ready-made laboratory guidance, students must take the initiative to literature, and synthesize, discriminating, practical experimental program designed for teachers to review, and fully mobilize the enthusiasm of students, reflects the dominant position of the process of teaching students to develop the students ability to innovate and to work independently.

Open experiment that students understand the basic experimental knowledge of the basic operating principle and basic experiment on the basis of skills and, therefore, open-ended experiment can last the full application of the knowledge learned and consolidation, to improve student skills in a large comprehensive experimental operation good.

In addition, some experiments require students to complete cooperation, foster teamwork and collaboration of students ability of contemporary solidarity and cooperation is an important aspect of quality education, teachers arrange team to experiment, after each group of experimental subjects to get a reasonable division of labor must be fully play to their enthusiasm and creativity, express their views, exchange of different views, the students collaborate together on experiments in the phenomena and problems and to foster collaboration and team of students the ability to work.

Open experiment also deepen teachers' professional knowledge. Because "open experiment" of the entire experimental program was designed by the students, so teachers in the pilot program to modify the process of encounter "confirmatory test" class has not met to the problem. teachers in the process of solving these problems, not only to deepen the professional knowledge of learning, students can even find some "flash" thing, the teacher's innovative thinking has also been played.

Five
Although the open experiment tried to obtain a better teaching results, get the desired goals, was unanimously praised by the students, the students have proposed such experiments should be more open, we feel very happy, but it also exposed some shortcomings place mainly in:
1 open-ended questions over a single experiment, the students choose the content of the experimental space is too narrow, the students do experiments in the book tend to be tied to the experimental model.

2 laboratory reagents and equipment not fully meet the needs of an open experiment, sometimes we were not, when students in the damaged equipment, can not be given additional time.

3. The organization of the experiment needs to be further improved. Links to free download http://www.hi138.com