A K M Obaydullah

• BSC (Honours) MSc (Physics), BEd, MEd
• Teachers Educator at Independent Researcher

At present, pre-primary education is a very important issue globally, because it has an impact on lifelong learning. The physical, linguistic, social and emotional expressions of the children are developed through proper completion of pre-primary education. For this reason, the Government of Bangladesh is strongly committed, both nationally and int...

Storytelling is a widely used approach to disseminate thoughts in the society from the primitive age and children are highly fascinated by the story. In the pre-primary curriculum of Bangladesh storytelling has given much emphasis as a source of joyful learning with imagination and creativity. This qualitative study explored the effectiveness of st...

In this work, it has been introduced an innovative Zn/Cu-electrochemical cell based on PKL extract and NPs. The effect of surface area of the anode, the temperature of the electrolyte and the concentration of PKL extract (electrolyte) on the current (A), voltage (V) and the power (W) of the constructed electrochemical cell has been studied. However...

The number of private kindergarten school is increasing at a significant rate resulting in a number of parents transferring their children's education from government primary school in Bangladesh. This study examined through survey questionnaire from 135 parents of government primary school (GPS) and 112 parents of the private kindergarten school (...

This study presents of classroom practice about use of lesson plan at the primary schools of Bangladesh. Various video, graphs, personal observations and research findings alongside some reports depicts that this situation of use of lesson plan in the school of Bangladesh is below standard. The stakeholders of this research were 80 assistant teache...

In this research, we studied the performance of different vegetative and fruits electrochemical cells namely PKL, Aloe Vera, Tomato and Lemon juice electrochemical cells with load condition for 2:1 Zn/Cu based electrodes. It was also studied the variation of Load Voltage (VL), Load Current (IL), and Load Power (PL), with the variation of time for P...

Each Large classes teachers faces challenges everyday diversity of scholars , lack of flexibility, class environment management, difficulty of setting and enforcing classroom behavior, minimum attention to students, limited monitoring of students' learning and difficulty in engaging students to activities. The main assumption of this study is that...

Education now is first time truly aiming to improve access to quality education on sustainable development to develop knowledge and skills required for sustainable development. Many countries in Asia are transforming institutions as 'Thinking Schools'. The government of Bangladesh, just like other countries, because of the impact of globalization,...

Leadership is such a technique and procedure by which anyone can lead or guide a small or big group or organizations in a systematic and disciplined way. This study will consider leadership and transformational leadership. Educational leadership is the new paradigm in the early part of the twenty first century. It brings radical change in the forma...

This essay will discuss the developing area of participation under the UNCRC (1989). Secondly, it will explore the definition of participation and discuss the benefits and barriers. Finally, it considers the different models of participation and discusses the different ways that this can be promoted in educational settings. Participation has also t...

This article is intended to guide development appropriate practice (DAP) which is related to the early year`s primary school classrooms. The purpose of the writing is to help the teachers become more confident and competent practitioners, also activities with working in the context of a play and informal curriculum practice. DAP also a part which i...

According to the record most of the PEC examination, the quality of science was the below among other subjects. Even internal examination results also showed the same picture. Students cannot achieve satisfactory level of the competency of science. This study analysis revealed varies dimensions of the students' perceptions that relate to different...

This study explored the inclusive practice in primary schools in Bangladesh. The study sought to investigate the barriers to and opportunities for greater development of inclusive practice in primary schools in Bangladesh, in Sreepur Upozila of the Gazipur district in Bangladesh, based on insights from primary teachers. The study aimed to provide d...

The purpose of the study is to identify the Causes for the Degradation to Chunati Wildlife Sanctuary (CWS) and its restoration strategy. Besides this, the study also highlighted the issues in forest management and biodiversity conservation and identify the challenges for the CWS. This forest is seriously degraded and most parts of it are now denude...

The quality teaching and learning play an important role examination, the quality of science was the below among other subjects. Even internal examination results also showed the sam The purpose of this study was that, to investigate and describe perception of Head teachers of Primary schools about Quality Primary Science Teaching Learning practice...

Science Education now is truly aiming to improve to quality education to develop knowledge and skills required. The need for outcome based science education has been there for decades. Outcome based science education is a practical approach to develop the curriculum with inclusion of learning practices and focus on the students rather than teacher....

The purpose of the study is understands of climate change by the vulnerable people and to identify the elements of mitigating climate change disasters in coastal areas of Bangladesh. The coastal areas are affected regularly by flood frequency probabilities, erosion, inundation, erratic rainfall, increasing cyclone, storm surge, rising water tables,...

Abstract

In this work, it has been introduced an innovative Zn/Cu-electrochemical cell based on PKL extract and NPs. The effect of surface area of the anode, the temperature of the electrolyte and the concentration of PKL extract (electrolyte) on the current (A), voltage (V) and the power (W) of the constructed electrochemical cell has been studied. However...

This study focuses on the roles and responsibilities of the Upazilla Education office (UEO), Primary Teachers Training Institute (PTI) and Upazilla Resource Center (URC) Instructors in teacher supervision. The collaboration performed by UEO, PTI and URC in teacher supervision has not sufficient studied before; therefore, one aspect of this study in...

A beautiful method based on solar energy to heat and melts the paraffin or bees wax has been developed to manufacture the candles by a linear fresnel reflecting solar concentrating collector and a bucket. The solar method has several advantages over the conventional candle making methods. This process is likely to generate the employment particular...

The efficiency of any electric cell or battery is very important. To keep it in mind, the coulombic efficiency, voltaic efficiency and energy efficiency have been studied. It was found that the coulombic efficiency data illustrated that this efficiency was higher comparing to other efficiencies may be the absence of salt bridge or separator between...

The quality teaching plays an important role in achieving overall quality education. Primary teachers think about how to teach science in urban school contexts. According to the record most of the Primary Education Completion Examination (PEC) of Bangladesh, the passing rate of science was the below among other subjects. Even internal examination r...

Inclusive practice in education is important to ensure social justice in the society and at school to achieve the outcomes with introducing diversity needs of all children. Inclusive Education is an approach to improve the education system by limiting and removing barriers and discrimination to learning. The purpose of the article is to highlight t...

Early childhood development is a significant issue in the global aspect as well as our national context. In order to achieve SDG target Bangladesh Government has taken many initiatives regarding early childhood development. It is widely believed that quality early childhood development is associated with parental involvement in children's learning...

The prime objective of this study is to acquire an understanding of education in the Mughal period. During the Mughal period, the Muslim system of education was predominant. In this period, transformations were bought about in the system of education. During this period, the individuals began to recognize the significance of education and even bega...

Play is a universal and innate disposition that is believed to be one of the most significant components to holistic wellbeing and development during the foundational years of childhood. Through play children learn to solve problems, to communicate and interact with others, to build friendship and relationship with peers and others adults, to devel...

This study presents of classroom practice about primary science at the primary schools of Bangladesh. Various video graphs, personal observations and research findings along with some reports depicts that the Primary Science classroom situation in the primary schools of Bangladesh is below standard. The participants of this study were 40 primary Sc...

The prime or ultimate objective of teaching science is to develop such skills in a student which helps him to know the facts, principles of science, its applications, identify the objects and to make concept celerity through the use of teaching learning materials. This study investigated primary school teachers' perceptions of the barriers and chal...

The study was intended to explore the teaching of moral and ethics in primary education. It also interpreted and conceptualized student's moral values which affect the next schooling steps. In the process of teaching learning, student's moral values are considered as a long life process. This study examines how moral and ethical development is prom...

In this work, it has been introduced an innovative Zn/Cu -electrochemical cell based on PKL extract and NPs. The effect of surface area of the anode, the temperature of the electrolyte and the concentration of PKL extract (electrolyte) on the current (A), voltage (V) and the power (W) of the constructed electrochemical cell has been studied. Howeve...

A beautiful method based on Solar Energy to heat and melts the paraffin or Bees wax has been developed to manufacture the candles by a Linear Fresnel Reflecting Solar Concentrating Collector and a bucket. The solar method has several advantages over the conventional candle making methods. This process is likely to generate the employment particular...

The study was intended to explore the current practices of using English in English classes of Government Primary Schools. It also investigate find out the challenges faced by the teachers and students in using English language in English classes. It also investigate to find out the challenges which is faced by the teachers and students in using En...

The efficiency of any electric cell or battery is very important. To keep it in mind it has been studied the columbic efficiency, voltaic efficiency and energy efficiency. It was found that the columbic efficiency data illustrated that this efficiency was lower comparing to other efficiencies may be the absence of salt bridge or separator between t...

Every country has some remote areas or countryside areas where grid electricity is absent. Nowadays mobile phone is very popular to the off-grid region people beside the urban people. Most of the people of the remote areas are charging their mobile phones with the Solar Photovoltaic (SPV) system or by the conventional rechargeable battery. But the...

Science is needs to sound knowledge; attitudes and skills from the early childhood for create a perfect society. To face the challenges of present primary science curriculum is needed to consider national policies in education. Among twenty nine competencies at primary level in Bangladesh, 15 competencies are related to primary science curriculum....

Focusing on language development in early years is essential because child's brain development and language acquisition occur at a rapid rate during these years. Fathers are the most proximal individuals who practice scaffolding for developing language and communication skills in children. This research provided information about fathers' perceptio...

Science is needs to sound knowledge; attitudes and skills from the early childhood for create a perfect society. To face the challenges of present primary science curriculum is needed to consider national policies in education. Among twenty nine competencies at primary level in Bangladesh, 15 competencies are related to primary science curriculum....

The Zn/Cu red-ox cell shows promise as a high power, low cost and energy storage system. The effect of different aspects of material selection, processing and assembly of electrodes on the operation performance, columbic efficiency, voltage efficiency and energy efficiency of the system are determined. In particular, positive electrode thickness, c...

The conversion of electricity from the Arum Leaf is performed using Arum Leaf electrochemical cell in the laboratory. It was shown that the performance of the Arum Leaf electrochemical cell partly depends on the change of the surface morphology of the electrodes. The changing of the morphological characteristics of the Arum Leaf electrochemical cel...

At lower temperature (0 0 C) the electrolyte of the PKL becomes freeze. So it is not possible to use this cell, where, ambient temperatures become 0 0 C and below 0 0 C. At upper temperature (above 100 0 C) the organic properties of PKL juice will destroy. So it will not possible to use this cell in higher temperature (above 100 0 C). Here, ideal t...

Pathor Kuchi leaf is known as a medicinal leaf from ancient time. Because, it has a great medicinal value. It is used for different kinds of diseases like dysentery, Cholera, Diarrhea, typhoid, kidney diseases etc. In West Bengal, India there is no alternative way about PathorKuchi leaf for focal medicine. People are using this leaf as a focal medi...

It has been designed and developed an electrochemical cell by Pathor Kuchi Leaf (PKL) as a electrolyte and Zn/Cu has been used as an electrodes to product quality power for practical utilization. Constructing an affordable cost, environment friendly simplified electrical energy source with Pathor Kuchi Leaf (PKL) for power electrifications which wi...

During the production of bioelectricity from Pathor Kuchi Leaf (Bryophyllum Pinnatum) ,it was found that bi-products biofertilizer, Methane gas and hydrogen gas were produced. Zinc is essential for all living organisms including plants. Being a cofactor in Enzymic reactions, zinc is vital for many biochemical pathways of plants, including: Photosyn...

A study of 1 kw PKL power plant setup for practical utilization in Bangladesh has been conducted at the marsh power technology limited in Dhaka, Bangladesh. It has been designed and fabricated for 1 kw PKL mini power plant for feasibility study. The electrical and chemical characteristics have been studied. The dynamic method was applied during 1kw...

In this research, we have studied the performance of PKL, Aloe Vera, Tomato and Lemon juice electrochemical cells with load condition for 2:1 Zn/Cu based electrodes. It was studied the variation of Load Voltage (VL), Load Current (IL), and Load Power (PL), with the variation of time for PKL, Aloe Vera, Tomato and Lemon juice electrochemical Cells....