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8.4 Line spectra: line flux and equivalent width

In general, astronomical objects emit both continuous emission and lines superimposed on this continuous emission. The equivalent width is a useful way of describing the relative strength of a line compared to the continuous emission at nearby wavelengths. The flux level of the continuous spectrum is called the continuum level, and at an emission line the spectrum rises above this level, while at an absorption line the spectrum dips below this level, as Author(s): The Open University

Where the Garbage Goes by Little Hardhats
This video shows all the giant machines used to handle waste and recycling! Students will enjoy the real life footage of these machines and the jobs they do. This is a good resource for the early childhood classroom to use in conjunction with a lesson/unit on community helpers and machines and after reading non-fiction texts on this topic. (4:16)
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8.1.1 What kind of evidence has been used in this unit?

We have used personal stories as evidence to support arguments about the mutual constitution of personal lives and social policy. The people in our stories all came to, or stayed in, the UK primarily because they saw it as a place of safety, not because of the welfare benefits or services they hoped to receive, and we have contrasted this with dominant discourses about (bogus) asylum seekers for whom welfare in the UK is said to act as a magnet. These dominant or official discourses, echoed b
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The Economist asks: Is progressive politics in decline?
Former Shadow Chancellor Ed Balls joins Anne McElvoy to discuss his career in centre-left politics and asks why voters are turning to more extreme alternatives. They also delve into personal revelations in his new autobiography – his views on Labour's left wing leadership, reflections on the financial crash. Brexit and why he's risked competing in the TV show, "Strictly Come Dancing".
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Rights not set

The Center for Nutrient Solutions (Trailer)
The Center for Nutrient Solutions (CNS) is one of four centers funded under the EPA STAR program establishing “national centers for innovative and sustainable water research, incorporating a systems view of nutrient management. Institutions collaborating with Penn State are the University of Maryland Eastern Shore and the USDA Agricultural Research Service. The CNS at Penn State is establishing an innovative and integrative process to identify optimal locations for nutrient interventions (ta
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Introduction

Museums give children experiences above and beyond the everyday – experiences that enrich and build upon classroom teaching and learning. Taking pupils to a museum, or bringing museum artefacts into school, instantly changes the dynamics of the usual learning environment. It gives you as a teacher the opportunity to start afresh with each child, to reach and engage with pupils in new and different ways. This unit explores practical ways in which you can make the most of the UK's extraordina
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Teaching Life Skills to Autistic Teenagers
Teaching Life Skills to Autistic Teenagers. Part of the series: How to Teach Life Skills. Teach life skills, such as social interaction, to autistic teenagers by tapping into the strengths of the teenager, working with family members first and then slowly expanding the circle of social interactions. (1:38)
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Radio Lingua Network News: 26 September 2008
Happy European Day of Languages to all our listeners! By way of joining in this international celebration of languages and language-learning we're delighted to introduce eight new podcasts today. We're adding Catalan, Danish, French, Japanese, Mandarin and Romanian to our One Minute Languages series; we're introducing our first podcast for English learners - Write Back Soon will help learners master Phrasal Verbs; and we're finally announcing the long-awaited sequel to Coffee Break Spanish: it's
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Soorten driehoeken
driehoek.JPG

Leerlingen kijken naar de hoeken of de zijden van een driehoek en duiden dan de meest passende naam aan.


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Amy Sayers Short Testimonial on Health Care UST MBA
Reflections from the Health Care UST MBA (Class of 2011) Amy Sayers OptumHealth Group, UHG Population Health Manager Go here to see the full testimonial... http://youtu.be/05aOaP4ltto
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2.3 Taking responsibility for your own learning

Not much of this unit conforms to the traditional pattern I mentioned earlier – the theory-example-exercise pattern. In particular, you will find you are expected to discover much of it for yourself. Why is this? This is a legitimate question and deserves a full answer. One year, a student at a residential summer school complained I had not taught him properly. I was, he told me, an expert and so why did I not demonstrate how to tackle the problem he was working on and pass my expertise on
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Basic Math Ratios
This video makes learning how to use ratios easy and fun.  Shows how to make ratios using parts in conjunction with a whole.
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1.6.1 Introduction

The process of keeping up-to-date in your chosen subject area is useful for your studies and afterwards, for your own personal satisfaction, or perhaps in your career as part of your continuing professional development.

There are a great many tools available that make it quite easy to keep yourself up to date. You can set them up so that the information comes to you, rather than you having to go out on the web looking for it. Over the next few pages, you will be experimenting with some
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MSU Faculty conversations: L.A. Dickerson
L.A. Dickerson, specialist for the College of Communication Arts and Sciences, talks about starting MSU's student chapter of the Association for Women in Sports Media, and her husband, Dan Dickerson, who is the radio voice of the Detroit Tigers. To read more, go to http://news.msu.edu/story/faculty-conversations-l-a-dickerson
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6.033: Lecture 13
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Bonner Leaders Serve During Alternative Winter Break in Peru and Puerto Rico
Bonner Leaders at the College of Charleston spent part of their winter break experiencing a new culture through service. The week of December 15, 2011, nine freshmen and sophomores traveled to Puerto Rico and the week of December 28, 2011, 11 juniors and seniors traveled to Peru for 11 days. The Bonner Leader Program is a four-year service and leadership development program that promotes a culture of service and civic engagement on campus and around the world. While in Puerto Rico, Bonner Leade
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From the 'End of History' to the Crisis of the Liberal Order: rethinking the end of the Cold War [Au
Speaker(s): Professor John Ikenberry, Professor Mary Kaldor, Professor Peter Trubowitz, Professor Vladislav Zubok | How and why has the liberal promise of the post-Cold War world not been realised? Where is the world now heading? Is the post-Cold War era over? In 1989 the Cold War ended. American pundit, Francis Fukuyama, confidently announced the end of history with the complete victory of liberalism word-wide. Globalisation and democracy represented the wave of the future. But thirty year late
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7.1 Introduction

The last activity was a demanding task. People I asked to do it during the writing of this unit, found it took a lot of concentration but it brought up lots of ideas, feelings and suggestions for action. Most of them were also concerned their rich picture might not be good enough. I imagine you will share some of these reactions. If you share any of these concerns, remember there are lots of ways of drawing a good rich picture and almost all rich pictures can be improved. Improving your rich
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5.6 Vibrating air column

You learned in the previous section that for standing waves to be set up on a string there must be reflection. A travelling wave reaches the end of the string and is reflected. This results in a second travelling wave, which moves back up the string in the opposite direction to the first wave. The two travelling waves interact to produce a standing wave.

Standing waves are set up in an air column enclosed within a tube in a very similar way. Again there must be reflection. In this case,
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2.2 Jupiter's magnetic field and radiation zone

The latter part of Section 1.4 describes Jupiter's enormously strong magnetic field, and Section 1.3 mentions the associated radiation belt of magnetically-confi
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