Chasing Tornadoes
From an outsider's perspective, storm chasing might appear to involve hours and hours of boredom, accentuated by a few moments of unimaginable excitement — or terror — depending on one's love or fear of tornadoes. But to tornado researchers, the effort and expense they expend in search of a single tornado-producing storm reflect the importance of these events in terms of their impact on lives and property. This video segment adapted from NOVA follows some of the scientists who study these vi
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How your Sense of Smell and Taste are Related
If you can't smell, you  probably can't taste very well either.  They are closely related senses.  This short video explains why. Run time 0:52 seconds.
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Podcast Recording Tips
When recording in Audacity wait at least 2-3 seconds before you start speaking.  A second tip is to keep the microphone away from your lips so that it doesn't sound like you are spitting.
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Black Holes..........Monsters in Space
Video explains what a Black Hole is.  It is the ultimate unknown.  There is no way to find out what is in there.  Black Holes themselves cannot be observed directly, but they do possess gravity.  Astronomers have found that when material is packed tightly around a black hole it makes a ringing sound.  Astronomers believe that black holes have no volume but are infinitely dense.  Video shows how a star is pulled into the black hole.  There i
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Commutative Property of Addition
Students learn the following addition properties: the commutative property of addition, which states that a + b = b + a.  Video is good quality and good for all students as review or initial learning of the concept.
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Addition Properties
This video discusses the properties of addition. The video startes with solving a simple addition problem using a number line, they then change the order of the problem. This shows the commutative property for addition. Then they show commutative using negative numbers. Then other examples are shown. Then they show problems with parenthesis, which tells the student to do this part first. This shows the associative property for addition. More examples are given. Video is good quality and good for
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Properties of Multiplication
This video indicates it is for pre-algebra, however this video would be good for anyone who is review mulitiplication and its properties. This video begins with showing the Commutative Property for Multiplication, which states when two numbers are switched they will have the same product. An example is given with three numbers, this is done from left to right (order of operations). Then they switch what is mulitiplied first the product is the same, this is the Associative Property for Mulitiplic
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Commutative Property of Addition
Quick lesson on cummutative property of addition.  Larry explains examples on a white board.  More lessons at:  http://www.MathWithLarry.com

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The Distributive Property
Students learn the distributive property, which states that a(b + c) = ab + ac. In other words, the number or variable that is outside the set of parentheses "distributes" through the parentheses, multiplying by each of the numbers inside. Note that a negative sign outside a set of parentheses can be thought of as a negative 1, so a negative 1 distributes through the parentheses. Video is good quality and good for all students as review or initial learning of concept. 
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Using the Distributive Property
The distributive property is one of the most important and fundamental parts of algebra. In this video the math teacher shows how to break down the equation in to the simplier components. Shows negative numbers also. This is a great beginning video. Video is good quality and good for all students as review or initial learning of concept.
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Properties of Division (part 2)
In this video learn how to solve division problems using the
divisive identity property, zero property, and distributive property.  Distributive properties states to divide the number outside the parentheses by each number in the parentheses, then add the dividends together.  Examples are shown.


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Solving Equations with the Distributive Property, Part 1
In this video, Sal Khan demonstrates how to solve equations with the distributive property.  Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education.  (06:04) There is a lot of information on the screen--the viewer may want to open the video to 'full screen.' 
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Solving Equations with the Distributive Property, Part 2
In this video, Sal Khan demonstrates how to solve equations with the distributive property.  Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education.  (06:04) There is a lot of information on the screen--the viewer may want to open the video to 'full screen.' 
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A Lesson on Adverbs
An adverb adds to the verbs. Definitions and examples are presented by students about adverbs in sentences. The lesson ends at 2 minutes, 25 seconds with slides that summarize the adverb lesson.  The remainder of the video includes very cute outtakes.   (4:11)
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Context Clues
Teacher explains how he learned to read unfamiliar words in comic books by using context clues. For some reason, it has an extra 30 seconds of blank video. 2:30 min.
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One Year in 40 Seconds
A video of a scenic spot that goes through the transformation of the four seasons. It takes about 40 seconds to "travel" through all four seasons. Lovely video that provides a quick glimpse of each of the seasons. Run time 0:46.
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Life in the Oceans
This short but thorough video describes several animals and plants found in the ocean's environment. Starting with the tiniest creatures, plankton, and continuing through the food chain in the open sea like fish and whales. It also discusses organisms in the polar seas, such as cod, seals, and halibut and continues on to the warm coral reefs in the tropical seas with animals like the lobsters.  They address animals living in the shallow waters and tidal pools, such as barnacles, muscles, and
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Georges-Pierre Seurat Slideshow
WARNING: Brief female frontal nudity from 4:00-4:24 [24 seconds]
Features several close-ups of his work. This is suitable for middle school, and high school students. 'His large work A Sunday Afternoon on the Island of La Grande Jatte (1884-1886), his most famous painting, altered the direction of modern art by initiating Neo-impressionism, and is one of the icons of 19th century painting' (Georges-Pierre Seurat, Wikipedia, 2009). Accompanied by classical music.

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Challenger - The Final Voyage Part 5 of 6

Discovery Channel Video.  At takeoff plus one minute the Challenger is four miles high, everything seems normal.  Then there is an explosion.  NASA analyzes the debris and flight data.  In June 1986, a full account of events is published.  On ignition the O rings on the booster had disintegrated.  At 59 seconds, Challenger
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Basic WiFi Troubleshooting Tips
Basic WiFi Troubleshooting Tips - If you are having problems with your WiFi connection, Molly Wood has a pile of tips to help you out. If your network was working fine and is now giving you issues CNET suggests first unplugging your router for 30 seconds.  Next check that the date and time are all the same on all computers.  Sometimes you need to update the drivers or the firmware. (2:37)

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