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1.
科学过程技能培养是新时代高中生物学教学的重要内容和目标。围绕“酵母菌生长曲线的绘制”开展系列模块融合实验课程,将实验室无菌培养、微生物计数、生长曲线绘制等技术原理与实践操作有机融合,可以促进学生在参与科学实践过程中自主建构科学概念、培养科学思维、掌握科学过程技能,也为高中生物学学科模块融合实验教学提供借鉴。  相似文献   

2.
高中生物学概念是学科的基础,是落实核心素养的重要载体,现通过对生物学概念的本质进行界说,解析其构成,并构建高中生物学概念教学脉络,以期为一线教育工作者提供参考借鉴。  相似文献   

3.
核心概念教学是高中生物学教学的基石,本文介绍了对生物学核心概念的认识,明确了生物学核心概念教学的重要性,结合教学实践提出核心概念教学策略应用及合理使用.  相似文献   

4.
《中学生物教学》2016,(4):39-40
通过问卷调查的方法对学生学习高中生物学重要概念的情况进行了有效调查。结果显示,高中各年级学生认同的生物学重要概念有所不同,且与教师预设的不同;学生对重要概念的学习存在一定误区。在高中生物学重要概念的教学上,在改变课堂教学模式的同时,教学方法也应加以改进,多用类比法、概念图等有效的教学方法。  相似文献   

5.
高中生物学是由许多基本概念相互联系,形成的一系列有机统一的知识体系。在新课程高中生物教学中,使学生能精确地掌握概念不仅是学生学好生物学基础知识的重要前提,也是提高学生学习能力的必要条件。且近年来高考命题特别重视考察学生对概念的掌握情况。因此,在高中生物学教学过程中概念教学策略的实施就显得尤为重要。本文总结了概念教学的一些方法策略,并结合具体实例予以说明。  相似文献   

6.
本文以高中生物学"染色体组"概念教学为例,根据概念形成的不同阶段,提出了高中生物学概念教学中的三种课堂提问策略,包括调动学生的前概念,促进学生的概念间迁移以及提升学生的元认知能力,希望以此促进学生对生物学概念的深刻理解和迁移应用.  相似文献   

7.
正在高中生物学的知识体系中存在着大量的专业性概念。不同教师在概念教学中,过分强调学生识记,使学生不能准确地把握概念,也极不容易将新知识内化到学生自身的知识构架之中。概念教学是课堂教学的一个重要的组成部分,生物教学的核心问题是对生物学概念的掌握和运用。下面我就高中生物学概念教学,谈一些自已的理解和做法。一、学生对生物概念的形成1、学生原有的生物概念。学生原有的概念是异常复杂的,其中包含着日常生活中自发产生的对自然现象的理  相似文献   

8.
结合实例在高中生物学概念教学方面作了一些积极探讨:一是高中生物学课程是概念有机整合的体系,二是概念在科学史背景下鲜活,三是概念教学的生成以事实材料为载体,四是准确把握概念教学的核心内容,五是精心设计教学事件,六是充分发挥跨学科通用概念的作用。  相似文献   

9.
《中学生物教学》2017,(20):15-17
生物学概念是中学生物学科知识的重要组成部分,是对生物的结构和功能以及生命现象、原理及规律本质的阐述。通过长期的教学实践发现,生物科学史在概念构建过程中起到了重要作用。以"DNA分子的结构"为例,阐述生物科学史在高中生物学概念教学中的应用。  相似文献   

10.
现阶段,高中生物学实验课通常是教师讲解,学生按照教师所给材料及教材设定的实验步骤完成实验.在实验过程中学生缺乏独立思考,更难谈及实验创新.实验与生物学的发展是紧密联系的,也是高中生物学教学、高考的重要内容.下面结合高中生物学教学实际,以案例的形式对高中生物学实验课进行改进.  相似文献   

11.
The study aimed to assess and compare the values prevalent among the students and teachers of Universities in Bangladesh, Japan, USA and Germany. The sample consisted of 480 students and 236 teachers. The sample included 120 undergraduate students Japan; 120 undergraduate students from Bangladesh; 120 undergraduate students from USA, and 120 undergraduate students from Germany. The faculty sample included 60 teachers from Japan, 60 teachers from Bangladesh; 60 teachers from USA, and 56 teachers from Germany. To identify the value preferences of the individuals a list of 10 values, pro-social, achievement, power over others, security, self direction, otherworldliness, fatalism, narcissism, inner directed, and conservative, based on previous values studies by Singh and Parek were prepared. The first five values were identified in previous studies as functional (Singh, 1975) and other five were identified as dysfunctional (Parek, 1988) in the context of national development of Asian cultures. The results revealed that Bangladeshi students held stronger preferences for values identified as functional values than for those identified as dysfunctional. Japanese students indicated stronger preferences for the values identified as functional values except narcissism. The American students indicated a preference for three of the five values identified as functional but also ranked narcissism and other worldliness as third and fifth preferred values respectively. German student showed a preference for functional values, except narcissism which they also ranked as third. Bangladeshi teachers' preferences for functional values were higher than dysfunctional values. Japanese teachers indicated a preference for functional values except narcissism. American teachers preferred functional values except other worldliness. German teachers' value preferences were also functional, except for narcissism which they ranked as fifth. Students and teachers in the four countries sampled indicate preferences for values identified as functional with few exceptions. This research suggests that value preferences among university students and teachers are more similar than different, suggesting a homogenizing effect (Boli, 2005) on human values.  相似文献   

12.
The objective of this paper is to explore the operation of magnet and professional development school (PDS) programs in a real life situation using an ethnographic study of Downtown Elementary School (DES-a pseudonym) that simultaneously operates as a PDS and a magnet school. The author spent almost three years at DES, located in the Southern United States, collecting data through participant observation, interviewing, and document collection. The purpose is to provide answers to compelling questions such as: What does it mean to have both magnet and PDS programs operating simultaneously in the same school as in the case of DES? What can be learned from the experiences of the unique school-DES? The paper provides an outline of both magnet and PDS programs and their operations at DES and analyzes how these programs are interrelated and intertwined. Some of the outcomes indicate that DES is about the only school in its locality that juxtaposes two innovative school reform programs. These programs impede each other's progress sometimes and in some cases feed off each other. There is a lot to be learned from the unique experiences of DES. Coupled with other conclusions, the author concludes that, PDSs, as school restructuring projects are intertwined with magnet schools' reform activity which is motivated by the drive to provide equity of opportunity to learn, particularly for poor, minority and black students in mostly urban areas who are at a disadvantage for various reasons. The final section of the paper takes a critical look at the issues at stake through the lens of critical multiculturalism.  相似文献   

13.
Increasing accountability and efficiency in the use of public and out-of-pocket financing in education are critical to realizing the maximum impact of the meager allocations to education in most developing countries. While broad estimates and numbers are routinely collected by most national ministries and state departments of education, the lack of accuracy and reliability as well as the obtuse nature of recording and presentation of the data does not facilitate any serious policy use. A major advance in this area has been brought about by the development of NEA (National Education Accounts), which is a new tool for measuring education expenditures in a systematic policy-~endly manner. In essence, NEAs measure the "financial pulse" of an education system, answering 4 key questions: Who is financing education? How much do they spend? How are funds distributed across different education providers, levels and activities? Who benefits from or receives the services? NEAs gather information on all spending from public, private and donor sources, and provide a snap-shot of all expenditures on education in the state or country. While not an auditing tool, it provides real time information on the flow of funds that can be used for evidence-based decision-making. It provides information to policy-makers, enabling them to discern systcm-wide inequities and identify areas that require changes in policy. In addition, the use of a standard classification of expenditures allows for data from NEAs to be comparable between and within countries. This paper provides an assessment of accountability and efficiency in the use of public and private resources in the education sector in 2 states of Nigeria. Using comparative data from implementation of education accounts in 2 states of Nigeria, it presents a breakdown of education spending by public and private sources as well as donor agencies, by types of providers, by geographical regions and by category of expenditures. It analyzes educational expenditures for the 2 states in the context of state government priorities for education, and proposes a novel way of tracking trends in education spending as a means for policy-makers to organize a strategic vision supported by resources and to evaluate the outcome of policies.  相似文献   

14.
The strabismus conception of masculinity and power with its manipulation as reflected in the consequences of actions endorsed and demonstrated by leaders, followers, citizens as individuals and groups at different times in the past, and present has been a major source of the seemingly quiescence and underdevelopment in Africa. Masculinity has often been associated with being athletic, breadwinner, objective, sexually aggressive, unemotional, dominating, etc.; while power is frequently construed as a tool of dominance, authority, superiority, influence, and governance. This inapt perception was borne out of Africa's nictitating and ignorance. The consequences of the misconception include abuse of power, intolerance, intimidation, militancy, humiliation, insecurity, inadequate dialogic tools and opportunities, etc. These result in the Climate of Fear as being experienced in the Niger-Delta of Nigeria, Kenya, and other parts of Africa. Thus, this paper examines the concepts of masculinity and power with exemplification from Africa with Wole Soyinka's Climate of Fear. The research methodology employs a combination of critical discourse analysis and Halliday's systemic functional theory of grammar with sociolinguistics approaches for the analysis. The study posits that the root of the problems that abound in Africa is traceable to the lack of precise socio-cultural, political and philosophical ideologies by Africans. The research opines that these fundamental problems of Africa can be resolved through orientation with education for all, which is one of the challenges of the millennium development goals. Thus, the paper examines the contrivance of open distance learning and its role in the education of African citizenry. It concludes on the ground that open distance learning as a recent and welcomed information technological development in Africa, if properly channeled and adequately funded would enhance sustainable development in Africa by its elimination of some of the aforementioned obstacles.  相似文献   

15.
Ten teachers, from preschool to secondary school have tried out puppets as a stimulus in science lessons. Data were gathered by teachers answering a questionnaire and by interviewing the teachers. We report what teachers have experienced by using puppets in science classrooms and in science activities in preschools. Data indicate that the puppet can be used to stimulate science both in preschool, primary school and secondary school. Probably the puppet must be used in different ways in preschool and primary school than in secondary school to get the pupils to accept them. This pilot study has given us courage and ideas to start a following-up study in using puppets in science.  相似文献   

16.
This paper reports on the students' experiments of using blogs to encourage themselves to do pre-class reading assignment and reflections after class. The sample in the study included five ESL (English as a Second Language) graduate students in a course of teaching methods, and 90 software engineering students in an undergraduate information technology program. Results indicated that there was a positive attitude towards the use of blogs for pre-class preparation and post-class reflections. However, considering the successful experience, it is important to consider the class size, students' educational level, and the type of reading assignment.  相似文献   

17.
布置并指导完成适当的课后作业是初中生物课教学过程的重要环节.课后作业过程是学生学习成长的历程,是理论联系实际,关注生活,关注生产和社会实际的重要途径;也是培养学生学习兴趣,发展创造性思维,学习科学探究方法,形成实践技能的重要形式.对贯彻新课程理念,树立新的作业观,努力提高初中生物课后作业设计的有效性,进行了有益的探索与实践,取得了良好的效果.  相似文献   

18.
This paper, through a phenomenological study, is designed to study those overwhelming problems and concerns in intercultural adaptations commonly confronted with foreign Chinese students at an American institute since September 11th. After a qualitative study on the concerns and intercultural adaptations of fifteen Chinese graduate students majoring in different programs, it was found that in addition to language and culture deficiencies, the instability and the changes of the immigration laws and regulations regarding international students and scholars after the September 11th incident in the US is the big hurdle that encumbers them from a comparatively faster and better adaptation. The growing economic prosperity in Mainland China also affects the foreign Chinese students' motivation in intercultural adaptations in the US.  相似文献   

19.
Higher education is the product of three constituents, the policy makers or government, the executors or faculty and the recipients or the students or scholars. Steadiness among different constituents in given social interaction can act as facilitating motive and it could make higher education more smooth and productive. The “steadiness” in the pilot study is “a parameter that helps the three constituents of higher education to communicate to each other without ambiguity or say on a same frequency” and is very close to the factor “similarity”. Studies prove that “similarities” help group cohesion, improve performance and social relations etc. So to assume that the presence of like-mindedness or “similarity” or say “steadiness” in the field of higher education has the potential to decrease the amount of stress and to increase the productivity or outcome (successful policies, objective assessments, scholars, research, utility etc.), is justified. And the assumption possesses the testable potential to study policy, assessment, implementation and other allied issues objectively. Many methods of social research and experimental designs are feasible for such study. A pilot study of a biography proves that the study of “similarity” in higher education for quality and assessment is viable and possesses the potential to produce better scholars, can enable the government to improve economy, can help to produce a strong next generation, can positively contribute to strengthen the social institutions and society and above all can bring a positive change in higher education that has been merely claimed for last many years. It is recommended that the proposed “similarity” may be studied in the field of higher education to help the government to formulate and execute policies based on social psychological evidence to enable the executors to best utilize their potential to help the recipients and learners to grow as per their full potential.  相似文献   

20.
R. Inglehart (1990, 2005) considers values to be one's reactions to changes in the environment. According to his approach values develop in the socialisation process. Values can be divided into traditional, modernist and postmodernist. According to Rokeach (1973), values are an element of culture, an image of the desirable that might not be directly expressed in human behaviour. Kalmus and Vihalemm (2004) found, based on Rokeach's and Schwartz's (1992) questionnaires, that Estonians consider most important values to be health, strong family ties, peace in the world, clean environment, happiness and state security. Also, the results of the study “infants' and toddlers' intelligence and the impact of the growth environment” financed by Estonian Science Foundation, allow to conclude that parents consider most important that children are healthy, happy and smart (Veisson, 2001). In the framework of the state financed project of Tallinn University “school as developmental environment and students' coping” (2003-2007) questionnaires were administered to 3838 students, 2048 parents, 620 teachers and 120 school directors. According to the mean value a hierarchy of 14 values was formed. It appeared that students and parents think that the most important is academic success, whereas teachers place academic success on the 3rd-4th place and school directors even on the 8th place. Teachers and school directors consider the most important is their school students' security and the second is honesty. Also students and parents think that honesty is the 3rd most important value at school. Students consider politeness and parents discipline worth giving the second place among school values. Students' health is relatively highly valued by teachers and school directors (in case of both groups the 3rd place). Unfortunately, children themselves and their parents think that in their school health is not very highly valued (10th place). Joy of school came on the last place in the values hierarchy.  相似文献   

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