Virtual Maths Data Handling - Light Survey
Exercises and resources for conducting a Light Intensity Survey. "To measure the levels of light in a particular area, we need to use a device called a Light Meter, which measures the intensity of light in the vicinity of the sensor and displays the reading."
Author(s): Leeds Metropolitan University

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Civil War Turning Point
The Emancipation Proclamation is explained by experts as the turning point of the way because of its influence on the slaves and resulted in 200,000 former slaves fighting with the North, including 16 who won the Medal of Honor.
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Police Intern Program Readies Future Officers For Careers
PULLMAN, Wash.-- Students at Washington State University interested in a career in law enforcement have a unique opportunity to get hands-on experience. The WSU Police Intern program allows students to learn the ins and outs of police work, from ethics and drug identification, to traffic stops and handcuffing suspects. Sophomore Margaret Cornell is one of the current interns with WSU Police. After internships back at home in Montana, she said the WSU program is a great way to learn if law
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Breaking Up is Hard to Do
The collapse of the Soviet State in 1991 was followed by Chechen President Dzhokhar Dudayev's declaration of the Chechen Republic's independence from Moscow. Concerned over the loss of its territorial integrity, Russian troops invaded the breakaway republic and a civil war ensued. In l996, Chechen rebels regained control of the capital, Grozny, from Russian forces, almost destroying the city in the process. Fighting in Chechnya continues to this day, although on a relatively smaller scale. The W
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Struggle over confiscated drug money
Deborah Wang reports that the Boston Police Department and the District Attorney's Office keep the money confiscated from drug arrests. Wang notes that neighborhood groups want the money to go back into the community to fund drug education, drug treatment, and crime watch efforts. Wang interviews Bill ...
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Rat Round Up
Build a device that will capture and carry a pet rat (or other moving toy) safely back to its cage.
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Smithsonian American Art Museum Education
We have digitized and indexed dozens of SAAM's free educational materials for your use. Teacher guides are listed with corresponding standards and grade levels for your convenience. Be sure to check back periodically, as more resources will be added. SAAM's online features contain interactive or media-rich assets that can easily be used by educators in the classroom. Students can learn by viewing media or taking part in various online activities. Online activities such as Catlin Classroom have
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Creating the Past: Understanding Artifacts
After studying the historic events of Catlin's life, this project allows students to imagine the material culture of the time. They will become archaeologists and anthropologists, looking back on previous cultures for clues as to the motives and inspirations for the choices that shaped their lives. Each student will bring in a fabricated artifact from Catlin's life, resulting in a museum exhibit in the class.
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NASA KSNN What changes a shadow's size?
Light is a form of energy. It interacts with matter, or the material that makes up an object, in different ways based upon the qualities of that material. Light passes through objects that are transparent. These items appear to be clear. Materials that are translucent let some light pass through, but this light is scattered. These items look milky or fuzzy. Some materials are reflective, or bounce light back. Reflective items are shiny. And objects that are opaque block the light.
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A map of servitude.
The back of a Louisiana slave named Gordon, photographed in 1863 after he escaped to the Union forces. Whipping was the most common form of punishment on plantations, and slaveowners and overseers whipped slaves with frightening regularity. Slaves could be whipped for almost any pretext: for "not picking ...
Author(s): Center for History and New Media/American Social H

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Courseware : Soft Computing
Soft Computing : Course lectures, hours 42. There are 9 pdf files, total 398 pages. Topics : Introduction to Soft Computing; Fundamentals of Neural Network; Back Propagation Network; Associative Memory; Adaptive Resonance Theory; Fuzzy Set Theory; Fuzzy Systems; Fundamentals of Genetic Algorithms; ...
Author(s): RC Chakraborty

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Wood Works
In some years back the craft upholstery was used to describe the making of carpets, curtains, wall hangings, mattresses and the covering of furniture with fabrics etc. However, with the upsurge of specialization during the industrial revolution, which now dominates the industrial world, the word upholstery is limited to the manufacture and repair of stuffed furniture. The making of curtains and wall hangings has now become a specialized area for interior decorators whilst the production of mattr
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White leafy seadragon
This seadragon is white with a light pattern. It has a snout (right end) and the back end is to the left. Seadragons can't hold onto sea plants like seahorses can. It has some fins along its back that it uses to propel itself and move around in the water. The leafy parts are only used to blend in and ...
Author(s): Wendy Rathey

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031 The Philippe de Montebello Years: Onésipe Aguado's Woman Seen from the Back
October 24, 2008–February 1, 2009
Philippe de Montebello speaks with curator Malcolm Daniel about Onésipe Aguado's mysterious photograph Woman Seen from the Back, which was acquired by the Museum as part of the remarkable Gilman Collection. Recorded on the occasion of "The Philippe de Montebello Years: Curators Celebrate Three Decades of Acquisitions", on view from October 24, 2008–February 1, 2009.

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Guerilla War
In this video from Wide Angle, learn about Chechen rebels who have turned to guerrilla warfare in order to combat Russian military forces.
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Invent a Backscratcher from Everyday Materials
Being able to recognize a problem and design a potential solution is the first step to the development of new and useful products. In this activity students will be creating a device to get that pesky itch in the center of your back. Once the idea is thought up the students will produce a design schematic ...
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The Moving Man
Learn about position, velocity, and acceleration graphs. Move the little man back and forth with the mouse and plot his motion. Set the position, velocity, or acceleration and let the simulation move the man for you.
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40. Do Not Double Park! (Intermediate)
Our two friends and listeners Debbie and Antonio are back from Italy. They say: "We loved our trip and everything was great - except for when we had to... park our car! Is it really that difficult to find a parking space in Italy?" -- Truth to be told, it can be quite an adventure, [...]
Author(s): LearnItalianPod.com

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15. How To Borrow Money (HTI)
Chances are, it has happened to all of us at one time or another... We're enjoying a good night out with friends, when at some point we realize we have no money with us, and we're suddenly at a crossroad: go back home, or ask one of our friend to lend us a little money, [...]
Author(s): LearnItalianPod.com

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Vaclav Smil on the future of the planet.
Can one planet survive the impact of a human population of close to 9 billion people? Environment writer, Andrew Revkin, interviews author and distinguished professor, Vaclav Smil, about the promise and perils of the next fifty years. This talk was part of the Q2C festival at the Perimeter Institute in Waterloo in October 2009.
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