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Population Growth in Yeasts
This lesson is the second of two that explore cellular respiration and population growth in yeasts. In the first lesson, students set up a simple way to indirectly observe and quantify the amount of respiration occurring in yeast-molasses cultures. Based on questions that arose during the first lesson and its associated activity, in this lesson students work in small groups to design experiments that will determine how environmental factors affect yeast population growth.
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Buoyant Boats
Students will conduct a simple experiment to see how the water level changes in a beaker when a lump of clay sinks in the water and when the same lump of clay is shaped into a bowl that floats in the water. They will notice that the floating clay displaces more water than the sinking clay does, a result that will probably surprise them. They will then determine the mass of water that is displaced when the clay floats in the water. A comparison of this mass to the mass of the clay itself should r
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Engineering in Sports
Imagining themselves arriving at the Olympic gold medal soccer game in Beijing, students begin to think about how engineering is involved in sports. After a discussion of kinetic and potential energy, an associated hands-on activity gives students an opportunity to explore energy absorbing materials as they try to protect an egg from being crushed.
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Introduction

This unit covers a few key topics that will help you to think in broad ways about how you and others take decisions; we shall also introduce you to some themes in social science which have direct relevance to managerial decision making. The approach of this unit is descriptive: rather than prescribing how you should make decisions we look at frameworks that will help you to understand how decisions are actually made. We aim to help you to develop greater insight into both your own deci
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Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

Acknowledgements

The content acknowledged below is Proprietary (see terms and conditions). This content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence

All materials included in this unit are derived from content originated at the Open University.


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Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

Mount St. Helens, Washington homepage
This USGS web page contains images from the Mount Saint Helens eruptions. The site contains information about the 1980 eruption, activity before, during, and after and previous eruptions. The site also contains maps, current hazards reports, background information and more.
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Introduction

People have always communicated with each other – initially by face-to-face communication through gestures and sounds, then over a distance through written messages and signals in the form of fires, lights or flags. Technology, for instance in the form of electrical signals, has reduced many of the limitations of distance. Communication networks have become very important, and modern society depends on them for the smooth operation of economic and social activities. In this unit we regard a
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Acknowledgements

Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence

Special Restrictions: Teach Global courses are governed by the Teach Global site Terms and Conditions. Please ensure you read
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Science and Religion on the Radio
Mr Martin Redfern : Course
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Dépôt de couches minces par thermo-évaporation

Présentation des couches minces et de ses utilisations. Réalisation pratique de l'évaporation par effet Joule sous vide.

Vidéo issue du projet VideoManip dont l'objectif est la réalisation de courtes séquences filmées, montrant des expériences réelles, qui seraient à la fois trop complexes pour être montées et montrées en amphi, et pas assez riches d'enseignement pour justifier un TP de plusieurs heures. Les sciences de l'ingénieur consistent à utiliser un phénomèn
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3.2 What do children and parents think of teaching assistants?

Curiously, little has been written about their perspectives. A small-scale study involving 78 primary-aged children in England (Eyres et al., 2004) showed that children can, when asked, differentiate between their own class teacher and other adults who work with them. However, the children reported a substantial overlap between the activities of teachers and teaching assistants. For instance, eight-year-old Sarah said:


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Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

Acknowledgements

Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence.

Grateful acknowledgement is made to the following sources for permission to reproduce material in this unit:

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Ancient Aztec - Quiz
Test your knowledge on The Aztecs through this multiple choice quiz.
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The Verdict: did Labour change Britain?
We've had Mandelson's memoirs, Blair's book and Brown biographies: in this lecture Polly Toynbee and David Walker look at what the Labour government in power from 1997 meant for people's lives by charting what it accomplished. Polly Toynbee is an author and a political and social commentator for the Guardian. David Walker edits Public and was formerly chief leader writer of the Independent. They are co-authors of The Verdict: Did Labour Change Britain?
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My Bookmarks
My Bookmarks.
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INFO2009 Privacy DPA and other legislation.
INFO2009 Privacy DPA and other legislation. - su white Keywords:DPA , Data Protection Act , Privacy
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INFO2009 The IT professional in the workplace
INFO2009 The IT professional in the workplace - su white Keywords:code of conduct , code of good practice , IT professional
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Introduction

Some people think that the difference between speech and writing is that people use longer words in writing. In some writing this is true, but there are also significant differences, many of which are grammatical. In this unit you will develop knowledge and understanding of the differences between spoken and written English, factors that influence our use of grammar and vocabulary in speech and writing, and different ways in which grammar has been described.

This unit is an adapted extr
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Acknowledgements

Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence

Grateful acknowledgement is made to the following sources for permission to reproduce material in this unit:

The content ackno
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Algebra and Telescopes
NASA Connect Segment discovering algebra and how algebra is used in telescopes. Explores Galileo's fifteenth century telescope and the Milkyway Galaxy. (05:02)
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