Cleaning Up with Decomposers
Students investigate decomposers and the role of decomposers in maintaining the flow of nutrients in an environment. Students also learn how engineers use decomposers to help clean up wastes in a process known as bioremediation. This lesson concludes a series of six lessons in which students use their growing understanding of various environments and the engineering design process, to design and create their own model biodome ecosystems.
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Surgical Resident for a Day
In this activity, students will become surgical residents for the day. As a team, they will be asked to use surgical instruments to complete a task inside of a black box. They will be able to see inside of the box with the help of a "laparoscope" (webcam and flashlight). This activity is intended to show the students one application of medical instruments, as well as to allow them to see first had how form fits function. They will also realize that an engineer's job does not end with a finished
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Classroom Triangles
In this activity, students will use bearing measurements to triangulate and determine objects' locations. Working in teams of two or three, students must put on their investigative hats as they take bearing measurements to specified landmarks in their classroom (or other rooms in the school) from a "mystery location." With the extension activity, students are challenged with creating their own map of the classroom or other school location and comparing it with their classmates' efforts.
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How Much Sugar is in Bubble Gum?
Most of the flavoring in gum is due to the sugar or other sweetener it contains. As gum is chewed, the sugar dissolves and is swallowed. After a piece of gum loses its flavor, it can be left to dry at room temperature and then the difference between its initial (unchewed) mass and its chewed mass can be used to calculate the percentage of sugar in the gum. This demonstration experiment is used to generate new questions about gums and their ingredients, and students can then design and execute ne
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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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Images of the Sun
Skylab's solar experiments captured images of the sun in incredible detail and revealed unknown aspects of the Sun.
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Gummy Bear Experiment - Conversion of Bond Energy to Heat Energy and Light Energy
This cool science experiment illustrates the conversion of bond energy to heat energy and Light Energy. It is also a good demonstration cellular respiration. At www.RegentsTutor.com the Regents Tutor will help you prepare for your class or Regents Exam. Take online video lessons, interactive exam questions with video answers, review sheets, live chat and other tools to help you improve your grades. Current subjects include Chemistry and The Living Environment (Biology). Check the website for add
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Nobody's Perfect
This brief OLogy article helps kids understand that even Einstein made mistakes and didn't always finish everything he started. And, more importantly, that both his mistakes and his unfinished work also led to new ways of thinking. The article uses Einstein's Unified Field Theory as evidence of the value that can be found in imperfection.
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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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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

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1.3.1 Reactions to near-death experiences

A number of people have claimed that they have been at death’s door and can recall some of the sensations. Attempts to speak about near-death experiences (a term used to describe the extra-ordinary experiences some people have when close to death or when deeply unconscious) can meet with incomprehension, fear and hostility from friends as well as medical experts and researchers, many of whom refute the existence of near-death experiences. As Toates (1999, p. 1) says:

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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

1.2.3 Boundaries of ‘normality’

The origin of the ‘other’ in society is the widespread human tendency to create categories where people who don't fit in can be placed away from the mainstream. Social categories may lead to prejudice and discrimination, but may also lead to the physical separation of people to the margins of that society. Sibley (1995) traces the physical marginalisation of people in what he calls the ‘geographies of exclusion’. Part of the process of exclusion is where the ‘bad’,
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Learning outcomes

By the end of this unit you should be able to understand:

  • the complexity and dilemmas of diverse perspectives in the field of mental health and distress;

  • the importance of service users'/survivors' experiences and perspectives;

  • how mental health issues affect everyone;

  • the range of risks faced by service users'/survivors' in their everyday lives.

1.4.7.3 Interquartile range for the SIRDS data
This Unit will introduce you to a number of ways of representing data graphically and of summarising data numerically. You will learn the uses for pie charts, bar charts, histograms and scatterplots. You will also be introduced to various ways of summarising data and methods for assessing location and dispersion.
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Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2

Reuters Today: HSBC profit set to be overshadowed
July 30 - Strong H1 earnings at HSBC set to be overshadowed by U.S. compliance issues and Libor scrutiny.
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Market Pulse: Bazooka or bust for Draghi this week
July 30 - An Italian bond auction passes off smoothly, thanks to the "Draghi effect". But the ECB chief must deliver on his boldest rhetoric to date that he will save the euro, says Eric Wand at Lloyds.
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Regional Night: Chile
Thunderbird School of Global Management students perform July 14, 2012. http://www.thunderbird.edu
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πού είναι ο άρης (2)π,ι,πι σελ.11

http://taksiasterati.blogspot.gr/

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Making the DIY Clinometer
Link to Youtube video showing how to make a do-it-yourself clinometer
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U.S. Morning Call: GE powers on with quarterly earnings
July 20 - GE reported a 2.5 pct rise in Q2 profit as solid U.S. demand for energy equipment offset the effects of a weak EU economy.
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