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  • On Learning, Volume 3 : Knowledge, Curriculum and Ethics
    On Learning, Volume 3 : Knowledge, Curriculum and Ethics


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  • On Learning, Volume 3 : Knowledge, Curriculum and Ethics
    On Learning, Volume 3 : Knowledge, Curriculum and Ethics


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  • Agricultural Planting Efficiency High Efficiency Side Port Transplanter
    Agricultural Planting Efficiency High Efficiency Side Port Transplanter

    Features: *Side-mouth transplanter handheld farm implement: This innovative farm implement features a side-mouth design that allows for easy and efficient plant transplanting. *Fast and precise: This tool features a handheld design that allows for quick and precise transplanting, saving time and effort. *Easy to use and reliable: Made from high-quality materials, this transplanter can withstand rigorous use in a variety of soil conditions. *Comfortable grip: The ergonomic handle provides a comfortable grip, reducing hand fatigue during prolonged use. *Versatile: Suitable for a variety of agricultural environments, this tool is an ideal tool for transplanting small plants. Specifications: *Product name: Side-mouth transplanter handheld farm implement *Material: Stainless steel *Size: As shown in the picture *Color: Silver *Fitment: Farm implements *Number of pieces: 1 Package content: 1×Side-mouth transplanter handheld farm implement Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.

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  • Knowledge and the Future School : Curriculum and Social Justice
    Knowledge and the Future School : Curriculum and Social Justice

    Written at a time of uncertainty about the implications of the English government’s curriculum policies, Knowledge and the Future School engages with the debate between the government and large sections of the educational community.It provides a forward-looking framework for head teachers, their staff and those involved in training teachers to use when developing the curriculum of individual schools in the context of a national curriculum.While explaining recent ideas in the sociology of educational knowledge, the authors draw on Michael Young’s earlier research with Johan Muller to distinguish three models of the curriculum in terms of their assumptions about knowledge, referred to in this book as Future 1, Future 2 and Future 3.They link Future 3 to the idea of 'powerful knowledge' for all pupils as a curriculum principle for any school, arguing that the question of knowledge is intimately linked to the issue of social justice and that access to 'powerful knowledge' is a necessary component of the education of all pupils.Knowledge and the Future School offers a new way of thinking about the problems that head teachers, their staff and curriculum designers face.In charting a course for schools that goes beyond current debates, it also provides a perspective that policy makers should not avoid.

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  • What is the efficiency of a space heater with 100% efficiency?

    A space heater with 100% efficiency would convert all the electrical energy it consumes into heat, making it extremely efficient. This means that all the energy input is converted into useful output, with no waste. However, it's important to note that achieving 100% efficiency in real-world devices is extremely difficult due to factors such as heat loss and other inefficiencies in the system.

  • What is energy efficiency?

    Energy efficiency refers to using less energy to perform the same task or function, ultimately reducing energy waste and lowering energy costs. This can be achieved through various methods such as using energy-efficient appliances, improving insulation in buildings, and implementing energy-saving practices in industrial processes. Energy efficiency is an important aspect of sustainable development and can help reduce greenhouse gas emissions and mitigate the impact of climate change. By improving energy efficiency, we can conserve natural resources and create a more sustainable and environmentally friendly energy system.

  • What is the efficiency?

    Efficiency is a measure of how well resources are utilized to achieve a specific goal or outcome. It is often expressed as the ratio of output to input, showing how much output is produced per unit of input. High efficiency means that resources are being used effectively and wastage is minimized, leading to optimal results. In contrast, low efficiency indicates that resources are not being utilized efficiently, resulting in lower productivity and potentially higher costs.

  • Can the efficiency be zero?

    No, efficiency cannot be zero. Efficiency is a measure of how well a system or process uses inputs to produce outputs, and it is always a positive value between 0 and 1. A value of zero would indicate that no useful work is being done, which is not possible in a functioning system. If a system is not producing any useful output, its efficiency would be close to zero but not exactly zero.

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  • Energy Efficiency Matters
    Energy Efficiency Matters


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  • Supporting Multilingual Learners’ Academic Language Development : A Language-Based Approach to Content Instruction
    Supporting Multilingual Learners’ Academic Language Development : A Language-Based Approach to Content Instruction

    A practical and comprehensive resource, Supporting Multilingual Learners’ Academic Language Development: A Language-Based Approach to Content Instruction introduces an accessible language-based approach to teaching academic language to multilingual learners across the content areas.Luciana C. de Oliveira provides elementary school teachers with everything they need to know to successfully teach grade-level content to multilingual learners.Chapters are organized by subject, addressing the specific language demands of teaching English language arts, social studies, mathematics, and science.Each chapter features examples of implementation in grades K-5, practical strategies, and a wealth of tables, figures, and other resources.The Language-Based Approach to Content Instruction (LACI) in this book provides teachers with a ready-to-use framework of six scaffolding elements that serves as a guide to enable multilingual learners to meet the grade-level standard of their peers without simplification.Aligned with WIDA and CCSS standards, this resource provides the tools and methods teachers need to support multilingual learners’ academic language development in the content area classroom.

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  • Air Force Nonrated Technical Training : Selected Topics to Improve Efficiency
    Air Force Nonrated Technical Training : Selected Topics to Improve Efficiency

    The authors identify insights and best practices upon which the Air Force could draw to improve its nonrated technical training pipeline.The researchers examined three topics of interest identified by the Air Force: (1) how colleges and universities right-size their instructor corps, (2) best practices associated with supply chain management, and (3) approaches for developing a flexible instructor pool.

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  • Hydropower Efficiency, Grade 4 : STEM Road Map for Elementary School
    Hydropower Efficiency, Grade 4 : STEM Road Map for Elementary School

    What if you could challenge your fourth graders to create a minimally invasive, highly efficient dam?With this volume in the STEM Road Map Curriculum Series, you can!Hydropower Efficiency outlines a journey that will steer your students toward authentic problem solving while grounding them in integrated STEM disciplines.Like the other volumes in the series, this book is designed to meet the growing need to infuse real-world learning into K–12 classrooms. This interdisciplinary, four-lesson module uses project- and problem-based learning to help students create a highly efficient dam that has a minimal impact on the environment.Students will explore the use of natural resources to provide energy needs, specifically hydropower, while exploring the workings of watermills, wind turbines, and generators to help build an understanding of the effects of dams.In creating their dam, they will learn about the various types of alternative hydropower sources, including wave and tidal power, and track the progress of electrification in the U.S. on a timeline; alongside researching the positive and negative consequences of hydropower. To support this goal, students will do the following:Use the engineering design process (EDP) to create a design for a dam, wind turbine, and water wheelCompare and contrast renewable power sourcesEvaluate power sources for efficiencyIdentify positive and negative consequences of human modifications of the environmentIdentify and describe how several sources of renewable energy are used across the U.S. Use mapping skills to determine where natural resources are being accessed for energy usageEffectively utilize shapes, materials, and measurements to create a model of a hydropower systemThe STEM Road Map Curriculum Series is anchored in the Next Generation Science Standards, the Common Core State Standards, and the Framework for 21st Century Learning.In-depth and flexible, Hydropower Efficiency can be used as a whole unit or in part to meet the needs of districts, schools, and teachers who are charting a course toward an integrated STEM approach.

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  • What are power and efficiency?

    Power is the rate at which work is done or energy is transferred, and it is measured in watts. It represents the ability to exert force or to perform work. Efficiency, on the other hand, is a measure of how well a system or process uses energy or resources to accomplish a task. It is the ratio of useful output to total input, and it indicates how effectively energy is being converted into useful work. In summary, power is the capacity to do work, while efficiency is the measure of how well that work is being done.

  • What is an efficiency gain?

    An efficiency gain refers to the improvement in productivity or output that is achieved by using fewer resources. This can be achieved through streamlining processes, reducing waste, improving technology, or increasing the skills of the workforce. Efficiency gains are important for businesses as they can lead to cost savings, increased profitability, and a competitive advantage in the market. Overall, efficiency gains help organizations to achieve more with less, ultimately leading to improved performance and success.

  • How high is the efficiency?

    The efficiency is very high, as the process is streamlined and optimized to ensure maximum output with minimal resources. By eliminating unnecessary steps and focusing on key tasks, the efficiency is greatly improved. This allows for tasks to be completed quickly and accurately, resulting in higher productivity and overall success.

  • What is efficiency in physics?

    Efficiency in physics refers to the ratio of useful work output to the total energy input in a system. It is a measure of how well a system can convert input energy into useful output energy. A system with high efficiency will waste less energy and be more effective in its operation. Efficiency is an important concept in physics as it helps in evaluating the performance of various systems and technologies.

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