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Atmospheric Pressure
Did you know that air has weight? This illustrated essay from the NOVA Web site explores conditions that affect air density and atmospheric pressure.
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Fiscal Policy
The function of the budget. To summarize, Fiscal Policy is an important element in the management of a modern economy.
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Competence-based Knowledge Structures for Personalised Learning
The ELeGI project focuses on integrating technology-enhanced learning methodologies into a pedagogy-driven and service-oriented architecture based on Grid technology. It aims at a system that is capable of realising personalised, adaptive, and experiential learning. This requires to have available a framework that, on the one hand, allows for representing existing domain knowledge, and, on the other hand, provides a representation of the learner's current state of knowledge. It is shown that a
Author(s): Heller Jürgen,Mayer Birgit,Albert Dietrich

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Towards On-Line Services Based on a Holistic Analysis of Human Activities
Very often computer scientists view computerization of services in terms of the logistics of human-machine interaction, including establishing a contract, accessing records, and of course designing an interface. But this analysis often moves too quickly to tactical details, failing to frame the entire service in human terms, and not recognizing the mutual learning required to define and relate goals, constraints, and the personalized value of available services. In particular, on-line services t
Author(s): Clancey William J.

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Open Learning Service Scenarios on GRIDs
The position paper focuses on the concepts of Service Elicitation and Evaluation/Exploitation Scenarios (SEES) and, in particular, on experimental protocols for justifying, motivating, implementing and exploiting Learning GRID's services for very large numbers of potential users.
Author(s): Cerri Stefano A.

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Studying participation networks in collaboration using mixed methods
This paper describes the application of a mixed-evaluation method, published elsewhere, to three different learning scenarios. The method defines how to combine social network analysis with qualitative and quantitative analysis in order to study participatory aspects of learning in CSCL contexts. The three case studies include a course-long, blended learning experience evaluated as the course develops; a course-long, distance learning experience evaluated at the end of the course; and a synchron
Author(s): Martinez Alejandra,Dimitriadis Yannis,Gomez-Sanche

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6 Subtracting when you have to borrow

If the digit at the top of any column in your subtraction is smaller than the digit at the bottom of the same column, you need to borrow (or carry) from the next column on the left.

There is an example of this below. Click on each step in turn to see how to carry out the calculation.

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Author(s): The Open University

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Copyright © 2016 The Open University

Teaching Teachers to Use ICT to Teach History: WWF meets ICT in the classroom
In this paper the authors explore the purpose and potential of using ICT to enhance the teaching of some aspects of the history National Curriculum in England and Wales. The focus is on the ways in which learning takes place in the context of historical knowledge and how the appropriate use of computers is able to engage pupils in the process of their own learning. The paper includes many examples and teaching ideas drawn from current classroom practice and training materials for initial teach
Author(s): Hughes Malcolm,Gibbs Marie

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The Leaning Tower: Where It Stands Today
Will the Leaning Tower of Pisa give way to gravity? In this interview from the NOVA Web site, engineer John Burland relates the difficult job of saving the tower.
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The Grand Canyon: Ancient Mountains
This video segment adapted from NOVA features the twisted and melted forms of the Grand Canyon's oldest rocks, the 1.7-billion-year-old Vishnu Schist.
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A Mule Spinner Tells the U.S. Senate about Late 19th century Unemployment
Fall River, Massachusetts, mill worker Thomas O'Donnell (who had immigrated to the U.S. from England eleven years earlier) appeared before the U.S. Senate Committee on Education and Labor on October 18, 1883, to answer the panel's questions about working-class economic conditions. An unemployed mule spinner for more than half of the year, he described the introduction of new production methods at the Fall River, Massachusetts, textile factory where he worked as a mule spinner (a worker who tende
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Miriam McClendon
In this oral history from the Birmingham Civil Rights Institute, Miriam McClendon recalls her arrest and jailing for participation in the Children's Crusade of 1963.
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An analysis of the SRL potential of TD-SSIS 2005 a Technology Enhanced Learning Environment based on
This report presents an analysis of the potential support to Self-Regulated Learning granted by a CSCL environment set up for a teacher traing course on Educational Technology. The analysis is made by applying a check-list developed within the European project TELEPEERS.,Research report
Author(s): Dettori Giuliana,Giannetti Tania,Persico Donatella

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From usage analysis to automatic diagnosis: The case of the learning of algebra
User modelling is a significant part of usage analysis. We present a case study in the field of the learning of algebra that aims at producing automatic diagnosis rules, based on the analysis of tracks of students solving algebra exercises within the Aplusix learning environment. We present two experiments that were conducted among 8th and 9th grade students. Manual analyses performed on the data made it possible to contribute to the construction of a library of rules aiming at modelling student
Author(s): Sander Emmanuel,Nicaud Jean-François,Chaachoua Ha

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Just Passing Through
This lesson helps students explore the functions of the kidney and its place in the urinary system. Students learn how engineers design instruments to help people when kidneys are not functioning properly or when environmental conditions change, such as kidney function in space.
Author(s): Integrated Teaching and Learning Program,

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Copyright 2011 - Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder,http://www.teachengineering.org/policy_ipp.php

ARCADE Assessment Framework
The boom in development of learning management tools in recent years stimulates creation of relevant standards, while acceptance of such standards helps system interoperability worldwide. The paper aims in presenting an assessment framework based on the recent IMS standards and built into ARCADE - Architecture for Reusable Courseware Authoring and DElivery. The information model of the assessment tool has been designed with a view to efficient test authoring, management and evaluation of student
Author(s): Petrov Milen,Bontchev Boyan,Aleksieva Adelina

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How Clean is that Water?
This lesson plan helps students understand the factors that affect water quality and the conditions that allow for different animals and plants to survive. Students will look at the effects of water quality on various water-related activities and describe water as an environmental, economic and social resource. The students will also learn how engineers use water quality information to make decisions about stream modifications.
Author(s): Integrated Teaching and Learning Program,

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Copyright 2011 - Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder,http://www.teachengineering.org/policy_ipp.php

Mathematics and E-Learning: A conceptual framework
This paper starts from the study of the epistemological statute of the didactics of the mathematics (Henry, 1991; D'Amore, 1999), which faces the phenomenon of learning from the point of view of fundaments, in order to give useful and specific considerations for e-learning environments. Investigations on how the triangle teacher-pupil-knowledge changes are presented. Then the model of a-didactic situations (Brousseau, 1997) is analysed in the context of e-learning platforms.
Author(s): Albano Giovannina

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Thar She Blows!
Students learn about wind as a source of renewable energy and explore the advantages and disadvantages wind turbines and wind farms. They also learn about the effectiveness of wind turbines in varying weather conditions and how engineers work to create wind power that is cheaper, more reliable and safer for wildlife.
Author(s): Integrated Teaching and Learning Program,

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Copyright 2011 - Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder,http://www.teachengineering.org/policy_ipp.php

How internal and external scripts guide argumentative knowledge construction in a web-based collabor
Collaboration scripts are a powerful means to improve collaborative inquiry learning. More specifically, they can be designed to support argumentative knowledge construction, a core activity in inquiry learning. However, not only externally induced collaboration scripts but also the learners’ internal scripts on collaborative argumentative knowledge construction influence the way they argue with scientific concepts and evidence, thereby affecting what kind of knowledge is acquired during colla
Author(s): Kollar Ingo,Fischer Frank

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