The document discusses common problems that universities face in creating good student experiences through their websites. These problems include being too risk-averse, moving too slowly with initiatives, not valuing web experts, letting the wrong people make decisions, and having inefficient redesign cycles. The document advocates for a new culture where risks are taken, initiatives can move quickly if they help students, web experts are trusted, collaboration replaces silos, and redesigns happen more frequently.
10. • 1978 - Born
• 1980 - Potty trained
• 1984 - Totally into dinosaurs
• 1992 - Watched a lot of Street Cents
• 1996 - First garage band
• 2001 - Married
• 2003 - Athabasca University
• 2006 - Grant MacEwan
• 2007 - eduStyle founded
• 2008 - eduStyle Awards
• 2013 - Canadian eduStyle Awards
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53. About Temperature
This document was prepared for the middle school math teachers who are taking part in Project Skymath. It is also hoped that the general public will find it interesting.
Disponible en espanol, toque aqui.
Contents (click on star)
What is Temperature
The Development of Thermometers and Temperature Scales
Heat and Thermodynamics
The Kinetic Theory
Thermal Radiation
3 K - The Temperature of the Universe
Summary
Acknowledgments
References
What is Temperature?
In a qualitative manner, we can describe the temperature of an object as that which determines the sensation of warmth or coldness felt from contact with it.
It is easy to demonstrate that when two objectsof the same material are placed together (physicists say when they are put in thermal contact), the object with the higher temperature cools while the
cooler object becomes warmer until a point is reached after which no more change occurs, and to our senses, they feel the same. When the thermal changes have stopped, we say that the two objects
(physicists define them more rigorously as systems) are in thermal equilibrium . We can then define the temperature of the system by saying that the temperature is that quantity which is the same
for both systems when they are in thermal equilibrium.
If we experiment further with more than two systems, we find that many systems can be brought into thermal equilibrium with each other; thermal equilibrium does not depend on the kind of object
used. Put more precisely,
if two systems are separately in thermal equilibrium with a third, then they must also be in thermal equilibrium with each other,
and they all have the same temperature regardless of the kind of systems they are.
The statement in italics, called the zeroth law of thermodynamics may be restated as follows:
If three or more systems are in thermal contact with each other and all in equilibrium together, then any two taken separately are in equilibrium with one another. (quote from T. J.
Quinn's monograph Temperature)
Now one of the three systems could be an instrument calibrated to measure the temperature - i.e. a thermometer. When a calibrated thermometer is put in thermal contact with a system and reaches
thermal equilibrium, we then have a quantitative measure of the temperature of the system. For example, a mercury-in-glass clinical thermometer is put under the tongue of a patient and allowed to
reach thermal equilibrium in the patient's mouth - we then see by how much the silvery mercury has expanded in the stem and read the scale of the thermometer to find the patient's temperature.
What is a Thermometer?
A thermometer is an instrument that measures the temperature of a system in a quantitative way. The easiest way to do this is to find a substance having a property that changes in a regular way
with its temperature. The most direct 'regular' way is a linear one:
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75. Those who say
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85. Idea
Take it to the boss
Boss likes, adds it to Web Steering Agenda
Web Steering discusses it in the next monthly meeting
They have questions, and push it back
You do a presentation at next monthly meeting
They request a business case
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86. 10 years later ...
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92. How to become and
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•Destroy myths
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concise but not
confrontational
•Communicate
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96. 0
25
50
75
100
President Vice Anything Executive/Dean Director Manager
Level of Understanding of the Web*
Anyone with Web in their Title*totally made up data
110. We’re getting ready to launch our new redesign.
We’re working on a redesign.
111. We’re getting ready to launch our new redesign.
We just launched our new redesign!!!
We’re working on a redesign.
112. We’re getting ready to launch our new redesign.
We just launched our new redesign!!!
We’re working on a redesign.
We wish we could do a redesign
113. We’re getting ready to launch our new redesign.
We just launched our new redesign!!!
We’re working on a redesign.
We wish we could do a redesign
We’re trapped in committee hell
114. We’re getting ready to launch our new redesign.
We just launched our new redesign!!!
We’re working on a redesign.
We wish we could do a redesign
We’re overtime and budget on a redesign
We’re trapped in committee hell
115. We’re getting ready to launch our new redesign.
We just launched our new redesign!!!
We’re working on a redesign.
We wish we could do a redesign
We’re overtime and budget on a redesign
We’re trapped in committee hell
We just launched a redesign, I wish we could go back