Uncovering the Challenges Faced by Primary School Science Teachers in Implementing Experimental Teaching:A Data Analysis Based on a Questionnaire Survey Conducted in Western China

Primary school science is a discipline grounded in experiments,and experimental teaching holds paramount significance in primary school science education in China.Nevertheless,the implementation problems of experimental teaching are frequently disregarded.This research endeavors to disclose the concrete challenges encountered by primary school science teachers in the western region of China during the implementation of experimental teaching,analyze their implications,and put forward corresponding mitigatory measures.Based on a questionnaire survey regarding the current state of primary school science experimental teaching in 21 areas of western China,it is unveiled that primary school science teachers in the western region of China confront deficiencies in scientific professional attainment,the necessity to enhance the attitude towards experimental teaching,and a partial shortage of experimental teaching resources.These hardships result in the deterioration of the quality of experimental teaching,the attenuation of students’learning interests,and the exacerbation of teachers’job burnout.Hence,measures should be initiated in aspects such as teacher training,resource development,and enhanced emphasis to assist primary school science teachers in the western region of China in implementing experimental teaching more effectively and elevating the quality of primary school science experimental teaching.

An Introduction to the School of Information Science and Technology of BIT

The School of Information Science and Technology inBeijing Institute of Technology(BIT)was established July 2002by merging the former Department of Computer Science andEngineering, Department of Automatic Control,Department ofOptical Engineering and Department of Electronic Engineering.As a significant organizational reform in the university to fit inwith developments in higher education as well as in science andtechnology;the organizational reform was taken in order to

Introduction to School of Environmental Science and Engineering of North China Electric Power University

Along with the fast development of national economy, environmental issues have become more and more prominent. China has promulgated a series of policies of energy-saving and emission-reduction to

~PEKING UNIVERSITY

Type of Company： Government institution. New Preparartions and Late-Model Drug Delivery System Technical Plaform of Peking University School of Pharmaceutical Sciences is a national technical plaform for developing new and important drugs. The person in charge for the platform is a pharmaceutical science professor of Peking University School of Pharmaceutical Sciences. The plaform selects the following as the main research areas： late-model carrier drug delivery system, biotechnological drug delivery system, mucous and transdermal drug delivery system, oral controlled-release drug delivery system, and four corresponding research teams are set up to study in depth the main problems and key issues.

DEAN OF THE SCHOOL OF COMPUTER SCIENCE FUDAN UNIVERSITY,SHANGHAI,CHINA

Founded in 1905, Fudan University is one of the top five universities in China with over 26,000 undergraduate and graduate students, and over 3,600 international students earning more than 300 degrees through 28 schools and departments. In its quest to become recognized as a world-class research university, Fudan has invested heavily on modern educational and research environments.

PEKING UNIVERSITY

Type of Company： Government institution. New Preparartions and Late-Model Drug Delivery System Technical Plaform of Peking University School of Pharmaceutical Sciences is a national technical plaform for developing new and important drugs. The person in charge for the platform is a pharmaceutical science professor of Peking University School of Pharmaceutical Sciences. The plaform selects the following as the main research areas： late-model carrier drug delivery system, biotechnological drug delivery system,

School of Chemical and Biological Science and Engineering of YTU

The school consists of four first-level interdisciplines： chemistry, biological science, chemical engineering and technology, and food science and engineering. There are three basic teaching divisions： chemistry, biological science and chemical engineering; four research institutes： biological science and technology, food science and technology, chemical materials, and applied chemistry; four basic experimental teaching centers： biology, chemistry, chemical engineering and technique, and food science and engineering; and one food quality and safety testing and detecting center.

Seed and Wasp Production in the Mutualism of Figs and Fig Wasps

Figs (Moracea: Ficus) and fig wasps (Hymenoptera: Chlocloids: Agaonideae) depend on each other to complete their reproduction. Monoecious fig species and their pollinating wasps are in conflict over the use of fig ovaries which can either produce one seed or one wasp. From observation on Ficus virens Ait., we showed that female flowers with outer layer of ovaries (near to the wall of syconium) had no significant difference from that with inner and interval layer of ovaries (near to the syconium cavity), in which most seeds and wasps were produced. This meant that fig tree provided the same potential resource for seed and wasps production. Observation indicated that there was usually only one foundress in syconium at female flower phase and no com- petition pollinators. Measurement of the style length of female flowers and the ovipositor of pollinators indicated that most ovaries could be reached by pollinator’s ovipositor. However, at the male flower phase, production of seeds was significantly more than that of wasps including non-pollinating wasps but there was no significant difference between seed and pollinating wasp production when without non-pollinating wasps produced. This result indicated that non-pollinating wasps competed ovaries not with seeds but with pollinating wasps for ovipositing. Bagged experiment showed that the sampling fig species was not self-sterile which was important for figs and wasps to survive bad season. Seed production in self-pollinated figs was not significantly different from total wasps in- cluding non-pollinating ones. This might be related with the weaker competition among wasps since bagged figs were not easy to reach by wasps from outside.