Research On Middle School Chemistry Teaching Based On Experimental Innovation

Chemical experiment is always one of the main ways to deeply study the subject of chemistry,and also one of the important tools for chemistry learners to study chemistry.The following questions are researched in this study:(1)What is the direction of chemical experiment innovation that students need?(2)How to carry out chemical experiment innovation according to students' demands?(3)What effect does the teaching intervention based on the innovation of chemistry experiment have on the students' experiment problem-solving ability of in and out of class?(4)What effect does the teaching intervention based on the innovation of chemical experiment have on students' skills in chemical experiment?The results of this research show that most students have higher interest in chemical experiments,and are more interested in chemical innovation experiments developed by teachers than in-class experiments.In addition,students agree that the current chemistry experiment has a positive influence on chemistry scores,in-class experiment questions of chemistry and extracurricular experiment questions of chemistry,but the influence on in-class experiment questions of chemistry is greater than that on extracurricular experiment questions of chemistry.At the same time,students generally believe that under the current teaching mode based on traditional chemical experiments,the difficulty of chemistry in-class experiment is less than that of chemistry extracurricular experiment.After the implementation of teaching intervention based on chemical experiment innovation in this study.The results of students' experiment problem-solving ability of in and out of class show that the chemistry experiment in textbooks course for students in the experiment problem-solving ability in class has a certain improvement effect.However,compared with the control group of students who conducted conventional teaching based on traditional textbook experiments,the experimental group of students who conducted innovative teaching intervention based on chemical experiments showed significant improvement in problem solving ability of out of class experiments,there were significant differences between the two groups.After the implementation of teaching intervention based on chemical experiment innovation in this study,the results of the research on students' chemical experiment skills show that the teaching based on chemical textbook experiment or the teaching based on chemical experiment innovation has a good role in promoting students' experimental operation skills.Students in the experimental group who accept the teaching based on chemical experiment innovation have better performance than those in the control group in terms of laboratory safety and basic operation proficiency.