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Teaching secondary science
This free course, Teaching secondary science, will identify and explore some of the key issues around science pedagogy in secondary schools. Through coming to understand these issues and debates, you will reflect on your practice as a science teacher and develop a greater awareness of the wider context of science education and how this affects science in the secondary school curriculumAuthor(s): Creator not set

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Breakingviews: China's reluctant spenders
July 12 - China's export machine is slowing down, so where are the consumers who were supposed to ride to the rescue of the world's second-largest economy?
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Getting Started: 02 Sharing your ideas
Create portfolios, add multimedia elements, and convert files to FLV for playback. Add permissions to PDFs and portfolios.
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7.3 Running the models forward

What happens when the models are run forward? It depends upon the models used and the scenarios they are asked to run. It seems almost certain, however, that there will be increases in the global mean surface temperature, to the order of +1.5 to +4.5 °C (– possibly more, according to some models and scenarios.

These changes are predicted to be associated with increases in sea level, changes to weather conditions (e.g. more regular and violent winter storms in the UK) and changes to t
Author(s): The Open University

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RES.11-001 CITE Reports (MIT)
Created in 2012 at the Massachusetts Institute of Technology, the Comprehensive Initiative on Technology Evaluation (CITE) is the first-ever program dedicated to developing methods for product evaluation in global development. CITE produces technology evaluations that provide evidence for data-driven decision-making by development workers, donors, manufacturers, suppliers, and consumers themselves. In addition, CITE evaluations lead to significant developing insights, helping us better understan
Author(s): MIT Comprehensive Initiative on Technology Evaluat

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Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative C

Mysterious Ball Lightning
This video shows many different incidents of ball lightning. Ball lightning may be an atmospheric electrical phenomenon, the physical nature of which is still controversial. The term refers to reports of luminous, usually spherical objects which vary from pea-sized to several meters in diameter. It is sometimes associated with thunderstorms, but unlike lightning flashes, which last only a fraction of a second, ball lightning reportedly lasts many seconds. Video is set to music and no words are s
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4.4 An introduction to WiFi

WiFi (from 'Wireless Fidelity') is used to connect devices together in one of two network configurations known as 'ad hoc' and 'infrastructure'. We shall explain these terms shortly. (As a starting point, though, you could look up the terms 'ad hoc' and 'infrastructure' in your dictionary.)

In wireless LANs, nodes are usually referred to as stations – probably because each communicating device acts as a radio station with transmitter and receiver. These functions, and the neces
Author(s): The Open University

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Combining Entrepreneurship and Environmental Science
Jesko von Windheim combines business savvy and scientific understanding in his new role at Duke as the director of the Nicholas School's Environmental Innovation and Entrepreneurship Center. A founder of multiple companies himself, von Windheim was already teaching entrepreneurship courses at Duke when he recently joined the Nicholas faculty to lead the new environmental entrepreneurship certificate program. Classes in the two-year program will train students to understand business models and
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Reducing your ecological footprint
Concerned about your impact on the environment? Interested in learning how to shape a more sustainable future? This album shows you simple ways to adapt your lifestyle and how to think globally. Five video tracks demonstrate how to assess the ‘ecological footprint’ of your household, examine the effects of personal transport on the environment, and explore how your decisions as food consumers are part of a supply chain stretching across Europe and the rest of the world. They feature an energ
Author(s): The iTunes U team

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Entropy and the Second Law of Thermodynamics: Disorder and the Unavailability of Energy
OpenStax College
Define entropy and calculate the increase of entropy in a system with reversible and irreversible processes. Explain the expected fate of the universe in entropic […]

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12.007 Geobiology (MIT)
This course introduces the parallel evolution of life and the environment. Life processes are influenced by chemical and physical processes in the atmosphere, hydrosphere, cryosphere and the solid earth. In turn, life can influence chemical and physical processes on our planet. This course explores the concept of life as a geological agent and examines the interaction between biology and the earth system during the roughly 4 billion years since life first appeared.
Author(s): Summons, Roger,Bosak, Tanja

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References

Anderson, M. (1993) ‘The social implications of demographic change’ in Thompson, F.M.L. (ed.) The Cambridge Social History of Britain Vol. 2, Cambridge, Cambridge University Press.
Bainham, A. (1999) ‘Defining parenthood: parentage, parenthood and parental responsibility – subtle, elusive yet important distinctions’ in Bainham, A., Sclater, S.D. and Richards, M. (eds) What is a Parent? A Socio-Lega
Author(s): The Open University

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Introducing public health
This free course, Introducing public health, introduces some key elements of public health and health promotion, using a video case study of Coventry. It focuses on the major determinants of health and ill health and the scope of public health work. First published on Mon, 29 Feb 2016 as Author(s): Creator not set

How Fast Are You Moving Right Now? - Tucker Hiatt
"How fast are you moving?" seems like an easy question, but it's actually quite complicated -- and perhaps best answered by another question: "Relative to what?" Even when you think you're standing still, the Earth is moving relative to the Sun, which is moving relative to the Milky Way, which is...you get the idea. Tucker Hiatt unravels the concepts of absolute and relative speed. (06:09)

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1.2 Readings

In your studies of the learning courses so far, you have investigated a range of factors that may lead up to the ‘perfect storm’: a combination of interlinked environmental, social and economic crises. You have also explored your personal ecology, extending this to incorporate quality of life and environmental impact aspects. You have done this using a range of verbal, visual and mathematical models.

You have also become familiar with the fact that our mental models evolve through
Author(s): The Open University

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1.6.2 Alerts

Online bookshops and some of the major search engines offer ‘Alerts’ services. These work by allowing you to set up a profile once you have registered on their site, and when there are items meeting your criteria you receive an email. The good thing about alerts is that you don’t have to do anything once you have set up your profile. The downside, particularly with alerts services from the search engines, is that given the extent to which internet traffic is on the increase whether new
Author(s): The Open University

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Bringing Light to the Dark Age
Because Enlightenment thought led to much of the passion that the founders’ showed for individual freedoms, the following article at iep dot utm is of help  in portraying a picture of these passions and emotions, and how Americans’ compare to other countries, such as with the British and French Enlightenment.



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1.7.2 Try some yourself

1 The diagram below shows an oatmeal cake marked into 12 equal portions. I want to give my sister a third of the cake. Where could I cut the cake, and what would be left over?

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Age Word Problems, #1 (Algebra) - Khan Academy
Age word problems. This video starts off with a black screen because the narrator uses it as a 'chalkboard'. This video is appropriate for older middle and high school students. (07:12)
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Acknowledgements

This free course was written by Ms Candida Clark

Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence.

The material acknowledged be
Author(s): The Open University

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