Equivalent Fractions
Introduction to the concept of equivalent fractions with examples. The instructor uses the Paint Program to illustrate his points.
Author(s): No creator set

Dividing Fractions (one-half divided by one-half)
This instructor makes it look easy! In an easy conversational tone, the instructor uses the computer screen as his 'blackboard' and different colors to emphasis his points. As this is an introduction to dividing fractions, this video is for older elementary students. (08:58)
Author(s): No creator set

Rhombuses, Parallelograms, Trapezoids
Lesson on rhombuses, parallelograms, and traezoids.  This lesson is an introduction to these figures that come up in geometry.  Larry explains figures on a white board. More lessons at: http://www.MathWithLarry.com

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Properties of Logarithmic Functions - Yay Math
Introduction to and using the properties of logarithmic functions. White board in a class setting, some interaction, engaging, several examples of increasing complexity. The discussion is clear and understandable. Preview - full version at http://video.google.com/videoplay?docid=3682262730665786723&q=source:012956945238798337823&hl=en Produced by Robert Ahdoot, yaymath.org
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Exponential and Logarithmic Equations - Yay Math
Solving exponential equations by using a common base. Introduction to logarithmic notation. White board in a class setting, some interaction, engaging, several examples of increasing complexity. The discussion is clear and understandable. Preview - full version at http://video.google.com/videoplay?docid=-7783301627139702841&q=source:012956945238798337823&hl=en Produced by Robert Ahdoot, yaymath.org
Author(s): No creator set

Averages (in Algebra)
Introduction to averages and algebra problems involving averages. This video starts off with a black screen because the narrator uses it as a 'chalkboard'. This video is appropriate for older mddle and high school students.
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UKCP 09 - UK Climate Projections 2009
Richard Lamb gives an introduction to the history of climate projections in the UK, he also describes the different levels of information available to organisations and individuals through UKCP 09
Author(s): Richard Lamb

Web 2.0 in the Classroom
This is a short video about an introduction to Web 2.0 for teachers. It lists the main uses of Web 2.0 and some of its advantages. There is also reference to what teachers could do to learn more about it.
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Simba Sings The Math Song
A cute introduction to elementary math. (1:59)
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How to Find Probability and Chance
This five minute video does a very good job of explaining probability. This is good for most age groups. You need to have a follow-up activity to use, especially in using groups to work on this concept. A good introduction video.
Author(s): No creator set

Song: Coin Counting Introduction
An introduction to U.S. coins and their value in cents along with counting byones, fives, tens, and twenty fives.
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Capacity - Standard Measurement
This is a great basic introduction to the concept of capacity using standard measurement. Students work together to give examples of various ways to measure capacity in this video.
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Introduction to Friction
Correction of definition of "normal force" and an introduction to the coefficient of friction. This video, which is suitable for high school students, starts with a black screen because the instructor, in his conversational tone, uses it as a 'chalkboard.' (09:25)
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An informal introduction to why we need to learn about fractions, with examples from sports, food, etc.  This is the introduction to a longer lesson (Lesson 6) consists of a general tutorial about fractions. NOTE: the use of printed notes is integrated with the video (although not this introductory segment of the video).  Just the teacher in front of a whiteboard, with some silly introductory stuff.  The actual content begins around 1:45.

Author(s): No creator set

Building the Great Pyramid - Part 1 of 6
This video is the first part of a reconstructed life story of Nacht, one of workers who was part of building king Kufu's great pyramid. The introduction shows the setting in place and time 2480BC in the Sahara desert. There are recontructed images and explanations of the way in which the pyramids were built.
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Introduction to Cellular Respiration
The instructor uses software (and several colors for clarification) to offer an introduction to cellular respiration, glycolysis, the Kreb's Cycle, and the electron transport chain.
Author(s): No creator set

Piranhas
For centuries the Amazon has been home to the most ferocious fresh-water monsters known to man...piranhas. Now, these deadly creatures are appearing in US lakes and rivers. The MonsterQuest team investigates whether these carnivorous beasts could breed here and devastate our waters. Addresses the harmful introduction of a new species to an ecosystem. Full-length episode from MonsterQuest.  Run time (41:00)
Author(s): No creator set

Forces that Shape our Earth
Geologists observe that the forces that shape our Earth are very slow, but ever present.  The video will fly you over the rugged terrain and deeply carved canyons of the southwest United States as the narrator discusses the forces that are at work. The video is simply an introduction to the lesson and does not explain any of the forces in detail.  Run time 03:06.
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String Theory
This is a quick two minute introduction to the conflict of theory of relativity and theory of quantum of mechanics. It is high level but shows some excellent graphics! Run time 02:00
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Electron Configurations, Part I
This is an introduction to using the periodic table to determine electron configurations. Instructor uses his computer screen and different colors to educate students. Instructor says this video series introduces information covered in a first-year high school course in chemistry.
Author(s): No creator set