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Towards educational data mining: Using data mining methods for automated chat analysis to understand
In this paper we investigate the application of data mining methods to provide learners with real-time adaptive feedback on the nature and patterns of their on-line communication while learning collaboratively.We derived two models for classifying chat messages using data mining techniques and tested these on an actual data set [16]. The reliability of the classification of chat messages is established by comparing the models performance to that of humans. Results indicate that the classificatio
Author(s): Anjewierden Anjo,Kolloffel Bas,Hulshof Casper

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Essential Science for Teachers: Life Science: Session 4. Plant Life Cycles
What is a plant? One distinguishing feature of members of the Plant Kingdom is their life cycle. In this session, flowering plants serve as examples for studying the plant life cycle by considering the roles of seeds, flowers, and fruits. A comparison to animal life cycles reveals some surprising similarities and intriguing differences.,This segment provides a review of the plant life cycle.
Author(s): Harvard-Smithsonian Center for Astrophysics

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Essential Science for Teachers: Life Science: Session 4. Plant Life Cycles
What is a plant? One distinguishing feature of members of the Plant Kingdom is their life cycle. In this session, flowering plants serve as examples for studying the plant life cycle by considering the roles of seeds, flowers, and fruits. A comparison to animal life cycles reveals some surprising similarities and intriguing differences.,Why do plants make fruit?
Author(s): Harvard-Smithsonian Center for Astrophysics

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Internet Scout Project
The Carl Hayden Bee Research Center, part of the US Department of Agriculture's (USDA) Agricultural Research Service, conducts ecological studies of honey bees to improve honey production and pollination of agricultural crops. This award-winning Web site has recently added an Expert Forum on Honey Bees where users are able submit their questions to USDA experts and receive a response via email. A database of previously submitted questions and answers is maintained for viewers to browse or search
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Internet Scout Project
The companion Web site to the NOVA program Life's Greatest Miracle, which PBS will re-broadcast on February 26th, is a great site for anyone interested in human pregnancy and fetal development. With wide-ranging information, this Web site is likely to appeal to many different audiences; users can even choose to view the entire program online. Those users interested mainly in the science of human development will enjoy How Cells Divide and How Sex is Determined. Those more interested in learning
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La biodiversité - Thierry Tatoni (audio)

Une conférence de l'UTLS au Lycée

La biodiversité par Thierry Tatoni (directeur de l'Institut Méditerranéen d'Ecologie et de Paléoécologie)

Lycée Ampère (13 Marseille)


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Selenium: A Window on Wetlands Activity
Wetlands are natural recycling plants, but they are often endangered by the waste people put there. Understanding the complex processes that enable a marsh to clean water, recycle nutrients, and immobilize toxic elements will help us protect these diminishing resources. Bring the scientific research done at the the Advanced Light Source into your classroom using this complete teaching module.
Author(s): No creator set

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Bend, Twist and Break: Breaking Glass
Dr. Chris Muhlstein explains that researchers learn about the scientific basis for failure of materials by running experiments in the lab, using a simple shape like a glass rod to calculate the strength of material and predict its failure. The same tests can be done at the micro and nano scale using tiny specimens. Students can run a similar experiment with a bar of chocolate.
Author(s): Creator not set

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How and Why the State Destroys Society

It is not incumbent on a diagnostician to prescribe a remedy, and it would be quackery for him to do so when he has misgivings as to its curative value. It may be that the struggle between Society and the State is inevitable; it may be i
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FBLA AwardsRecognition Screencast

FBLA AwardsRecognition Screencast
Video describes the various award opportunities available in FBLA!

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PEUT-ON COMPRENDRE D’OÙ VIENT L'EFFICACITÉ DES MATHÉMATIQUES EN PHYSIQUE ? (Vidéo)

L'idée que les mathématiques sont le langage naturel de la physique est devenue banale et semble claire. Elle peut toutefois s'interpréter d'au moins deux façons, qui ne sont pas du tout équivalentes des points de vue épistémologique et philosophique :
- soit ce langage est pensé comme étant celui de ...
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Risk Management for Enterprises and Individuals
This book is intended for the Risk Management and Insurance course where Risk Management is emphasized. When we think of large risks, we often think in terms of natural hazards such as hurricanes, earthquakes or tornadoes Perhaps man-made disasters come to mind such as the terrorist attacks in the U.S. on September 11, 2001. Typically we have overlooked financial crises, such as the credit crisis of 2008. However, these types of man-made disasters have the potential to devastate the global mark
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Sunday 21st April [1861]
Marie describes her Sunday which begins with Sunday school in the morning followed by a sermon, then communion in the afternoon, and prayer meeting in the evening. At the prayer meeting they pray for the soldiers as well as for preservation of the country from war and bloodshed. She also mentions that Henry Ward Beecher preached in Madison the day before.,Sunday 21st April [1861]
Somewhat cloudy
warm and pleasant. We organized our
Sabbeth school. Mr. Parkes preached
at 11 o'cloc

Author(s): Brandt, Marie Ester, 1823-1915

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Digital image © 2005 Indiana Historical Society. All Rights Reserved.

Clinical Utility
This learning object covers the topic of clinical utility of genetic information. The object focuses on genetic information associated with colorectal cancer.
Author(s): Creator not set

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Attribution-Share Alike 2.0 UK: England & Wales,http://creativecommons.org/licenses/by-sa/2.0/uk/

Letters Concerning the Release of Henry McLaughlin, Prisoner of War on Johnson Island, 1865
These letters show how Susan Brown was able to secure the release of her brother, Henry McLaughlin, from prison at Johnson Island near Sandusky, Ohio. Susan receives a letter from E. A. Sconill at the prison where her brother is being held stating that Henry wishes to take the oath of allegiance but that Sconill does not have the authority to release him. Susan then secures a letter of introduction to President Lincoln from Indiana Governor Oliver Morton. A later letter to the editor of the Nati
Author(s): Morton, Oliver P. (Oliver Perry), 1823-1877; Sconi

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Digital images © 2005 Indiana Historical Society. All Rights Reserved.

Beem Letter, December 1862 (page 1)
Letter from David Beem to his wife Hala written on Christmas Day while he is serving with Company H of the 14th Indiana Volunteer Regiment in Virginia. Beem tells his wife that Christmas is just another day for the soldiers in the army. Many of the men have chosen to celebrate the holiday by drinking whiskey and spending the day drunk. Beem is homesick and looks forward to Christmases spent at home. He seems to miss the traditional turkey dinner most of all.,Falmouth, Va.,
Christmas

Author(s): Beem, David Enoch, 1837-1923

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Digital image © 2004 Indiana Historical Society. All Rights Reserved.

Beem Letter, December 1861
Love letter from David Beem to his fiancee Hala (Mahala Joslin) on Christmas Eve while he is serving with Company H of the 14th Indiana Volunteer Regiment in Virginia. Beem talks about the current hardships of their separation but looks forward to a happy future together. He wonders how Hala is spending the holiday and wishes they could be together.
Author(s): Beem, David Enoch, 1837-1923

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Digital image © 2004 Indiana Historical Society. All Rights Reserved.

Two Older Women Seated Side By Side
Two older women are seated side by side with their hands folded in their laps. They wear high collar dresses with puffy sleeves at the shoulder. Both have stern expressions on their faces.
Author(s): Cephas M. Huddleston,Cephas M. Huddleston Collecti

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Digital Image © 2008 Indiana Historical Society. All Rights Reserved.

Method OIA-1677 Available Cyanide by FIA, Ligand Exchange and Amperometry
This is a pdf version of an official EPA method for the analysis of cyanide. It discusses a variety of quality control procedures a wide range of controls that must be used for method maintenance and development. Within the context of teaching, this site could be viewed as unique in allowing students to work through all contingencies that must be moniitored for a measurement to be deemed valid. It defines and contains a variety of control parameters with mathematical descriptors. The chemistry
Author(s): EPA

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Gas Chromatography
This EPA site provides a brief overview of EPA remediation methods and projects. The links "Remediation" and "Characterization and Monitoring" have sub-links that provide analytically relevant materials. Many applications and case-specific studies are presented. Many of the links are related to sampling statistics.
Author(s): Environmental Protection Agency

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This material is freely available

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