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
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Solving Math Word Problems
In math word problems, it's important to figure out what the facts are and what is being asked for. Solve math word problems with tips from a math teacher in this video on solving math problems.
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Expert Village video.Â  This lesson is taught by Hope Wells.Â  How to teach rhythm to children, including tips for making it fun.Â  Â Good quality video.Â

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The Giants of Philosophy - Arthur Schopenhauer - 15/18
'Arthur Schopenhauer (22 February 1788 â€“ 21 September 1860) was a German philosopher known for his atheistic pessimism and philosophical clarity' (Arthur Schopenhauer, Wikipedia, 2009). He was influenced by Plato and Kant, and he, in turn, inlfuenced Einstein, Freud, and Jung among others. Suitable for high school students. Video consists of one still image and narration.
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The Eensey Weensey Spider (song)
This popular song for toddlers is performed by a young man on camera, while the words to the song are displayed on the screen. The finger movements to accompany the song are also demonstrated by the singer. (2:09)
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Vocabulary for the advanced English language learner. Lesson 4 topic: Idioms and sayings about driving-"backseat driver", "road hog", and "running on empty" The narrator demonstrates the idioms, but does not offer much depth. (2:58).
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This video shows the answer to the second question in the interview to George Gallup. "How would you parcel Amercian Religion experience, how would you divide the population?" Gallup explains the gradation of denomiations within Christianity.
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This 2:35 video is aobut the followers of Hades, the Greek god of the Underworld, and thatÂ followers areÂ believed to have worshipped at a cave site at Eleusis, Greece. Very good video. Excellent use of images.
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The Northern Cardinal
This video describes how to identify a Northern Cardinal as well as the characteristics of the bird including location, behavioral habits, and history.Â  Run time 01:18.

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Igneous Rock - by Study Jams
Igneous rock forms from melted rock called magma.  Magma exists inside the earth's surface, and it becomes lava when it is released through a volcanic eruption.  When it cools, it becomes igneous rock.  Learn more about igneous rock with this slide show from StudyJams.  Vibrant pictures are set to music while information is written under each photo.  A short, self-checking quiz is also provided with this link.
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Minerals in Our Environment - Interactive Site
Minerals are all around us. They're in our kitchens and bathrooms, our classrooms and school buildings, and our cars and bicycles. In this interactive resource adapted from the U.S. Geological Survey, find out which minerals are found in items you probably encounter every day. No audio.
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Learning about Things that Float - with Curious George
The children use "a box of junk" to create different boats.Â  One boat is made from straws, another from paper towel rolls, and the third from a pie pan.Â  The children take their boats to a small pool to find out if they float.Â  Some work and some do not.Â  The children discuss why they did or didn't work.
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Understanding Electrons
This is an excellent presentationÂ in which theÂ lecturer discussesÂ
theÂ electronsÂ (08:26) in easy-to-understand terms.Â This is a clip from a larger segment and is done in a lecture-style format. There are times when the instructor is in a small window in the corner while he points out specifics.

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Molecules in Liquid
As molecules in a solid get hotter, they vibrate faster and faster and eventually slip out of their lattice-work pattern. When this occurs, the substance melts, changing from a solid to a liquid state. Eureka was a series of short cartoons on physics that ran on public television in the 1980's.Â  The video explains the concept in simple and well illustrated way.Â  Good for students of any elementary school level.Â
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The Ring of Fire, Part 3
The Pacific Ring of Fire (or sometimes just the Ring of Fire) is an area where large numbers of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean. (10:32)
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A quote from the movie: "Earthquakes don't kill, buildings do." There are other segments of this series on WatchKnow. This is the 'Earthquake Country' seriesÂ which is suitable for middle school and high school students. Through live-action demonstrations and vivid animations, Dr. Pat Abbott explains how earthquakes have shaped the scenery and the character of the greater Los Angeles area. Dr. Abbott shows how faults capable of large earthquakes lie beneath most of the area, posing great risk to
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Science Behind Haiti's 2010 Earthquake
Al Jazeera's meteorologist, Steff Gaulter, explains what made the Caribbean nation of Haiti so susceptible to such a devastating earthquake. There are also comments from Amy Vaughn of the United StatesÂ Geological Survey.Â This video is suitable for upper elementary, middle, and high school students.
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Extreme Oil Drilling
The experts in this video discuss the difficulty in finding new locations to dig for oil. In order to get oil flowing freely in the cold tundra, hot steam is pumped into the ground using massive amounts of energy.(03:04)
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Everything you ever wanted to know about the Palm Springs or any other windmills, but were afraid to ask. KESQ-TV's Gil Diaz goes behind the locked gates to reveal the "Secrets of the Windmills".Â  Video gives specifics of the wind mill, 228 feet tall and blades nearly 100 feet long. There are about 4,800 wind mills, they were first installed in 1981, they installed as an experiment by NASA.Â  Where they are installed is the second most consistently windy place in
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How Wind Power Is Created
Wind power is created by windmills, which use generators to
produce electricity that is gathered by wires. Find out why some
windmills produce more energy than others with information from a
science teacher in this video.

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