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The Comic Book Periodic Table of the Elements - 177 views

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    This site contains comic book images linked to the chemical elements via the periodic table. Comics include Uncle $crooge, Metal Men, Metamorpho, Batman, Fantastic Four, Superman, and many more."> The Comic Book Periodic Table of the Elements BODY { color: rgb(0,0,0);} Th
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Fair Use & plagiarism - FREE Language Arts presentations in powerpoint format, Free Int... - 126 views

  • Free Presentations in PowerPoint formatWhat is Plagiarism? (and why you should care) &amP;nbsP; Plagiarism - Don't Do It! Thou Shall Not Steal (hs) For Students: Plagiarism&amP;nbsP; For Teachers: Cybercheat, Plagiarism and the Internet Plagiarism (PPts and more, Redclay Schools)&amP;nbsP; Plagiarism &amP;nbsP; Quoting, Plagiarism, and ParaPhrasing&amP;nbsP; Quoting, ParaPhrasing, Plagiarism, Summarizing Avoiding Plagiarism &amP;nbsP; What is Plagiarism?&amP;nbsP; Fair Use CoPyright Infringement&amP;nbsP; See Also: Quotation Marks, ParaPhrasing, CoPyrights,&amP;nbsP;Language Arts Index, Reading Index, Writing Index
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    clas activities to teach plagerism
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eGFI - For Teachers » Grades 6-8 - 5 views

  • Marshmallow Design Challenge Posted on SePtember 28th, 2011 by mxl In this lesson, K-12 student teams have a limited Period of time (18 minutes) to build the tallest free-standing sPaghetti structure that can suPPort a marshmallow. They learn how engineers collaborate to design, test, and imProve on their ideas, as well as examine hidden assumPtions that can derail the creative Process and final Product. Read More
  • Lesson: Design From Nature Posted on SePtember 25th, 2011 by mxl In this lesson, students in grades 6-8 discover how engineers can use biomimicry to enhance their designs. They learn how careful observation of nature — in this case, reverse engineering a flower — can lead to new innovations and Products. Read More
  • Lesson: Concrete for Kids Posted on SePtember 6th, 2011 by mxl Concrete for Kids is a fun, hands-on activity to introduce students to engineering and concrete as an engineered material that engineers use to make the structures we use every day, including bridges, buildings, and roads. In this two-Period lesson, teams of students in grades K-12 mix and Pour concrete to form beams which, once hardened, are tested to see how much weight they can hold before breaking. Read More
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    Engineering lesson plans.  Sort by grade level.  
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Hydrogen vehicle - Wikipedia, the free encyclopedia - 13 views

    • dpurdy
       
      Is hydrogen sustainable? depends on the source. see this highlight.
  • While methods of hydrogen production that do not use fossil fuel would be more sustainable
  • The challenges facing the use of hydrogen in vehicles include production, storage, transport and distribution.
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  • The hydrogen infrastructure consists mainly of industrial hydrogen pipeline transport and hydrogen-equipped filling stations like those found on a hydrogen highway. Hydrogen stations which are not situated near a hydrogen pipeline can obtain supply via hydrogen tanks, compressed hydrogen tube trailers, liquid hydrogen tank trucks or dedicated onsite production.
  • Hydrogen use would require the alteration of industry and transport on a scale never seen before in history. For example, according to GM, 70% of the U.S. population lives near a hydrogen-generating facility but has little access to hydrogen, despite its wide availability for commercial use.[64] The distribution of hydrogen fuel for vehicles throughout the U.S. would require new hydrogen stations that would cost, by some estimates approximately 20 billion dollars[65] and 4.6 billion in the EU.[66] Other estimates place the cost as high as half trillion dollars in the United States alone.[67]
  • Hydrogen fuel does not occur naturally on Earth and thus is not an energy source, but is an energy carrier. Currently it is most frequently made from methane or other fossil fuels. However, it can be produced from a wide range of sources (such as wind, solar, or nuclear) that are intermittent, too diffuse or too cumbersome to directly propel vehicles. Integrated wind-to-hydrogen plants, using electrolysis of water, are exploring technologies to deliver costs low enough, and quantities great enough, to compete with traditional energy sources.[2]
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    Fuel cell cars are expensive.  The fuel cell costs a lot
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Greeks Discover the Politics of Poverty | NationofChange - 8 views

  • Goerge Barkouris (62), who found himself homeless for the first time in his life during the massive wave of unemployment in 2010, lost his home last November. Barkuris had worked for over 25 years in music and radio production but lost a contract with the public sector due to cuts in 2001. He then worked as a freelancer until 2008, but "when the crisis hit it was impossible to make money to pay for my house," he said. He has now found shelter in Klimaka’s hostel for homeless people in exchange for contributing to its street work program, which consists of riding Klimaka’s van around the streets of Athens, handing out food and other assistance to people in need.
    • Freda Potter
       
      Pathos
  • "The municipality, in cooperation with private entrepreneurs, plans to open big hotels that had previously been shut down because of the crisis and transform them into one-night shelters." She believes this process will be fast-tracked and happen in a non-transparent manner, raising questions about how municipal authorities open up space to private entities and tackle social issues like poverty
  • On Feb. 8, Eurostat published a report estimating that 27.7 percent of the active workforce, aged 18-64 years old, currently lives on the poverty line.
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  • On Feb. 8, Eurostat published a report estimating that 27.7 percent of the active workforce, aged 18-64 years old, currently lives on the poverty line.
  • On Feb. 8, Eurostat published a report estimating that 27.7 percent of the active workforce, aged 18-64 years old, currently lives on the poverty line.
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Education World ® : Curriculum: You've Got E-Mail -- But Can You Make It Real... - 1 views

  • "Before you begin a telecollaborative project," she said, "Look at the plan critically and decide whether it's worth it in terms of learning outcomes. Ask yourself these questions: Does this use of the Internet allow students to do something that can't be done in another way? Does this use of the Internet allow students to do something in a better way? "If the answer to either of those questions is yes," said Harris, "then your project is probably worth doing." "As teachers, we need to do what is our art and our craft -- which is teaching, not technology."
    • Marsha Ratzel
       
      Judi Harris has been this champion for years...she long ago convinced me that you shouldn't use tech just for the sake of using tech. Her statements gives the compelling questions we should all ask ourselves before embarking on the use of precious time. What's your return on investment????
  • An activity structure, according to Harris, is simply a description of what students do in an activity, without reference to content or grade level. For example, kindergarten students mixing paints, elementary students forming compound words, and high-school students creating chemical compounds are all using an activity structure that involves combining existing elements to form new elements. The content and grade level are strikingly different, but the basic activity, the structure of the activity, is the same. Existing activity structures, said Harris, are usually supported best by existing instructional tools. If Internet tools are going to be used to enable students to do something they haven't been able to do, or do as well, before, new activity structures, structures that are best supported by new instructional tools, must be identified and implemented.
  • Develop a project plan that's specific and logistically manageable.
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  • Establish a clear schedule, set interim deadlines, and send out reminders as deadlines approach
  • Be sure students have regular access to computers. Once a week in a computer lab is not enough time. For students to get the most out of a telecomputing project, they must be able to participate at least two or three times a week.
  • Focus on the use of the tools, not on the tools
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    How to use email in the classroom
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    It is truth
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Turning links into a library with Diigo - 64 views

  • My bookmarks are my digital memory.
  • Unclutter your mind. I’m all for not having to remember tech tutorials or the tour company we used in NYC, bookmarks allow me to archive that knowledge. They are my digital library.
  • Your browser enables you to save a link, place it in a folder, and possibly add a few tags (which you probably don’t use). Can you annotate a link? How about highlighting a portion of the page? Does it take a snapshot of the page? Will it create lists? Generate reports? How effectively can you search your bookmarks? How much more useful and complete would your links become with these tools?
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  • Hyperlinks are pieces of information, we need context. What was important about the link? What we need is a library that has information about the data we collecting.
  • How Diigo can make you more productive? Diigo’s research tools make archiving a breeze so you will build a much more complete and useful reference system. An online database that you can search and share with ease.
  • As you can see Diigo is an amazing tool that can revolutionize how you research and archive the web.
  • Welcome to Diigo Social bookmarking and a whole lot more.
  • TakeAways Bookmarking prevents us from having to remember. Our bookmarks become a personal reference library Diigo’s superior tools will help you create an amazing library.
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Reglamentos deportivos - 17 views

    • FERNANDO RODRIGUEZ
       
      muchos reglamentos deportivos
    • FERNANDO RODRIGUEZ
       
      Hay muchos deportes que aquí ni se conocen
  • Reglamentos deportivos
  • Golf Halterofilia Hockey Hierba Hockey Sala Hockey sobre patines Hockey sobre patines en linea
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Brain-Art Competition 2011 - 37 views

  • The Brain-Art Competition
  • In order to recognize the beauty and creativity of artistic renderings emerging from the neuroimaging community, we are launching the first annual Brain-Art Competition. Countless hours are devoted to creation of informative visualizations for communicating neuroscientific findings. This competition aims to recognize the artistic creativity of our community that often goes unappreciated in the publication process.
  • We are inviting researchers to submit their favorite unpublished works for entry.  Both team and single-person entries are welcomed. The competition will have four award categories: 1)Best 3-Dimensional Brain Rendering 2)Best Representation of the Human Connectome 3)Best Abstract Brain Illustration 4)Best Humorous Brain Illustration
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Font Size May Not Aid Learning, but Its Style Can, Researchers Find - NYTimes.com - 110 views

  • Is it easier to remember a new fact if it appears in normal type, like this, or in big, bold letters, like this?
  • Font size has no effect on memory, even though most people assume that bigger is better. But font style does.
  • New research finds that people retain significantly more material — whether science, history or language — when they study it in a font that is not only unfamiliar but also hard to read.
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  • “So much of the learning that we do now is unsupervised, on our own,” said Robert A. Bjork, a psychologist at the University of California, Los Angeles, “that it’s crucial to be able to monitor that learning accurately; that is, to know how well we know what we know, so that we avoid fooling ourselves.”
  • “Studying something in the presence of an answer, whether it’s conscious or not, influences how you interpret the question,” Dr. Bjork said. “You don’t appreciate all of the other things that would have come to mind if the answer weren’t there. “Let’s say you’re studying capitals and you see that Australia’s is Canberra. O.K., that seems easy enough. But when the exam question appears, you think: ‘Uh oh, was it Sydney? Melbourne? Adelaide?’ ” That’s why some experts are leery of students’ increasing use of online sites like Cramster, Course Hero, Koofers and others that offer summaries, step-by-step problem solving and copies of previous exams. The extra help may provide a valuable supplement to a difficult or crowded course, but it could also leave students with a false sense of mastery. Even course outlines provided by a teacher, a textbook or other outside source can create a false sense of security, some research suggests. In one experiment, researchers found that participants studying a difficult chapter on the industrial uses of microbes remembered more when they were given a poor outline — which they had to rework to match the material — than a more accurate one.
  • a cognitive quality known as fluency, a measure of how easy a piece of information is to process.
  • On real tests, font size made no difference and practice paid off, the study found.
  • And so it goes, researchers say, with most study sessions: difficulty builds mental muscle, while ease often builds only confidence.
  • To test the approach in the classroom, the researchers conducted a large experiment involving 222 students at a public school in Chesterland, Ohio. One group had all its supplementary study materials, in English, history and science courses, reset in an unusual font, like Monotype Corsiva. The others studied as before. After the lessons were completed, the researchers evaluated the classes’ relevant tests and found that those students who’d been squinting at the stranger typefaces did significantly better than the others in all the classes — particularly in physics. “The reason that the unusual fonts are effective is that it causes us to think more deeply about the material,” a co-author of the study, Daniel M. Oppenheimer, a psychologist at princeton, wrote in an e-mail. “But we are capable of thinking deeply without being subjected to unusual fonts. Think of it this way, you can’t skim material in a hard to read font, so putting text in a hard-to-read font will force you to read more carefully.” Then again, so will raw effort, he and other researchers said. Concentrating harder. Making outlines from scratch. Working through problem sets without glancing at the answers. And studying with classmates who test one another.
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    Students' raw effort improves learning [No surprise there, huh?]
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How To ProPerly Provide Credit For Images | Edudemic - 10 views

    • A Gardner
       
      Great Flowchart! Very helpful reminder for all students and teachers
  • citations are important
  • proper method of crediting images
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  • Thumbnail source.
  •   Close Forgot password? please put in your email: Send me my password! Close message Login This blog post All blog posts Subscribe to this blog post's comments through... RSS Feed Subscribe via email Subscribe Subscribe to this blog's comments through... RSS Feed Subscribe via email Subscribe Follow the discussion
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Many US schools adding iPads, trimming textbooks - Yahoo! Finance - 4 views

  • The trend has not been limited to wealthy suburban districts. New York City, Chicago and many other urban districts also are buying large numbers of iPads.The iPads generally cost districts between $500 and $600, dePending on what accessories and service Plans are Purchased.By comParison, Brookfield High in Connecticut estimates it sPends at least that much yearly on every student's textbooks, not including graPhing calculators, dictionaries and other accessories they can get on the iPads.
  • They include interactive programs to demonstrate problem-solving in math, scratchpad features for note-taking and bookmarking, the ability to immediately send quizzes and homework to teachers, and the chance to view videos or tutorials on everything from important historical events to learning foreign languages.They're especially popular in special education services, for children with autism spectrum disorders and learning disabilities, and for those who learn best when something is explained with visual images, not just through talking.Some advocates also say the interactive nature of learning on an ipad comes naturally to many of today's students, who've grown up with electronic devices as part of their everyday world.
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    I find the price comparisons interesting.
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AJET 26(3) Drexler (2010) - The networked student model for construction of personal le... - 77 views

  • Web application(networked studentcomponent) Tool usedin test case Student activitylevel of structure Social bookmarking (RSS) Delicioushttp://delicious.com/ Set up the account Subscribe to each others accounts Bookmark and read 10 reliable websites that reflect the content of chosen topic Add and read at least 3 additional sites each week. News and blog alert (RSS) Google Alerthttp://www.google.com/alerts Create a Google Alert of keywords associated with selected topic Read news and blogs on that topic that are delivered via email daily Subscribe to appropriate blogs in reader News and blog reader (RSS) Google Readerhttp://reader.google.com Search for blogs devoted to chosen topic Subscribe to blogs to keep track of updates personal blog (RSS) Bloggerhttp://www.blogger.com Create a personal blog post a personal reflection each day of the content found and experiences related to the use of personal learning environment Students subscribe to each others blogs in reader Internet search (information management, contacts, and synchronous communication) Google Scholarhttp://scholar.google.com/ Conduct searches in Google Scholar and library databases for scholarly works. Bookmark appropriate sites Consider making contact with expert for video conference podcasts (RSS) iTunesUhttp://www.apple.com/itunes/whatson/itunesu.html Search iTunesU for podcasts related to topic Subscribe to at least 2 podcasts if possible Video conferencing (contacts and synchronous communication) Skypehttp://www.skype.com Identify at least one subject matter expert to invite to Skype with the class. Content gathering/ digital notebook Evernotehttp://evernote.com/ Set up account Use Evernote to take notes on all content collected via other tools Content synthesis Wikispaceshttp://www.wikispaces.com post final project on personal page of class wiki The process and tools are overwhelming to students if presented all at once. As with any instructional design, the teacher determines the pace at which the students best assimilate each new learning tool. For this particular project, a new tool was introduced each day over two weeks. Once the construction process was complete, there were a number of personal web page aggregators that could have been selected to bring everything together in one place. Options at the time included iGoogle, pageFlakes, NetVibes, and Symbaloo. These sites offer a means to compile or pull together content from a variety of web applications. A web widget or gadget is a bit of code that is executed within the personal web page to pull up external content from other sites. The students in this case designed the personal web page using the gadgets needed in the format that best met their learning goals. Figure 3 is an instructor example of a personal webpage that includes the reader, email, personal blog, note taking program, and social bookmarks on one page. The personal learning environment can take the place of a traditional textbook, though does not preclude the student from using a textbook or accessing one or more numerous open source texts that may be available for the research topic. The goal is to access content from many sources to effectively meet the learning objectives. The next challenge is to determine whether those objectives have been met. Figure 3: personal web page compiles learning tools
  • Table 2: Personal learning environment toolset Web aPPlication (networked student comPonent) Tool used in test case Student activity level of structure Social bookmarking (RSS) Delicious httP://delicious.com/ Set uP the account Subscribe to each others accounts Bookmark and read 10 reliable websites that reflect the content of chosen toPic Add and read at least 3 additional sites each week. News and blog alert (RSS) Google Alert httP://www.google.com/alerts Create a Google Alert of keywords associated with selected toPic Read news and blogs on that toPic that are delivered via email daily Subscribe to aPProPriate blogs in reader News and blog reader (RSS) Google Reader httP://reader.google.com Search for blogs devoted to chosen toPic Subscribe to blogs to keeP track of uPdates Personal blog (RSS) Blogger httP://www.blogger.com Create a Personal blog Post a Personal reflection each day of the content found and exPeriences related to the use of Personal learning environment Students subscribe to each others blogs in reader Internet search (information management, contacts, and synchronous communication) Google Scholar httP://scholar.google.com/ Conduct searches in Google Scholar and library databases for scholarly works. Bookmark aPProPriate sites Consider making contact with exPert for video conference Podcasts (RSS) iTunesU httP://www.aPPle.com/itunes/ whatson/itunesu.html Search iTunesU for Podcasts related to toPic Subscribe to at least 2 Podcasts if Possible Video conferencing (contacts and synchronous communication) SkyPe httP://www.skyPe.com Identify at least one subject matter exPert to invite to SkyPe with the class. Content gathering/ digital notebook Evernote httP://evernote.com/ Set uP account Use Evernote to take notes on all content collected via other tools Content synthesis WikisPaces httP://www.wikisPaces.com Post final Project on Personal Page of class wiki The Process and tools are overwhelming to students if Presented all at once. As with any instructional design, the teacher determines the Pace at which the students best assimilate each new learning tool. For this Particular Project, a new tool was introduced each day over two weeks. Once the construction Process was comPlete, there were a number of Personal web Page aggregators that could have been selected to bring everything together in one Place. OPtions at the time included iGoogle, PageFlakes, NetVibes, and Symbaloo. These sites offer a means to comPile or Pull together content from a variety of web aPPlications. A web widget or gadget is a bit of code that is executed within the Personal web Page to Pull uP external content from other sites. The students in this case designed the Personal web Page using the gadgets needed in the format that best met their learning goals. Figure 3 is an instructor examPle of a Personal webPage that includes the reader, email, Personal blog, note taking Program, and social bookmarks on one Page.
  • The personal learning environment can take the place of a traditional textbook, though does not preclude the student from using a textbook or accessing one or more numerous open source texts that may be available for the research topic. The goal is to access content from many sources to effectively meet the learning objectives. The next challenge is to determine whether those objectives have been met.
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  • AssessmentThere were four components of the assessment process for this test case of the Networked Student Model: (1) Ongoing performance assessment in the form of weekly assignments to facilitate the construction and maintenance of the personal learning environment, (2) rubric-based assessment of the personal learning environment at the end of the project, (3) written essay, and (4) multimedia synthesis of topic content. points were earned for meeting the following requirements: Identify ten reliable resources and post to social bookmarking account. At least three new resources should be added each week. Subscribe and respond to at least 3 new blogs each week. Follow these blogs and news alerts using the reader. Subscribe to and listen to at least two podcasts (if available). Respectfully contact and request a video conference from a subject matter expert recognised in the field. Maintain daily notes and highlight resources as needed in digital notebook. post at least a one-paragraph reflection in personal blog each day. At the end of the project, the personal learning environment was assessed with a rubric that encompassed each of the items listed above. The student's ability to synthesise the research was further evaluated with a reflective essay. Writing shapes thinking (Langer & Applebee, 1987), and the essay requirement was one more avenue through which the students demonstrated higher order learning. The personal blog provided an opportunity for regular reflection during the course of the project. The essay was the culmination of the reflections along with a thoughtful synthesis of the learning experience. Students were instructed to articulate what was learned about the selected topic and why others should care or be concerned. The essay provided an overview of everything learned about the contemporary issue. It was well organised, detailed, and long enough to serve as a resource for others who wished to learn from the work. As part of a final exam, the students were required to access the final projects of their classmates and reflect on what they learned from this exposure. The purpose of this activity was to give the students an additional opportunity to share and learn from each other. Creativity is considered a key 21st century skill (partnership for 21st Century Skills, 2009). A number of emerging web applications support the academic creative process. Students in this project used web tools to combine text, video, audio, and photographs to teach the research topics to others. The final multimedia project was posted or embedded on the student's personal wiki page. Analysis and assessment of student work was facilitated by the very technologies in use by the students. In order to follow their progress, the teacher simply subscribed to student social bookmarking accounts, readers, and blogs. Clicking through daily contributions was relatively quick and efficient.
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    Scholarly and important but also practical. Scroll down for an incredible chart of ideas that challenges older students to take charge of their own learning.
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Three Elements of Great Communication, According to Aristotle - Scott Edinger - Harvard... - 99 views

  • Three Elements of Great Communication, According to Aristotle by Scott Edinger  |   9:00 AM January 17, 2013 Comments (78)         In my nearly 20 years of work in organization development, I've never heard anyone say that a leader communicated too much or too well. On the contrary, the most common improvement suggestion I've seen offered up on the thousands of 360 evaluations I've reviewed over the years is that it would be better if the subject in question learned to communicate more effectively. What makes someone a good communicator? There's no mystery here, not since Aristotle identified the three critical elements — ethos, pathos, and logos. — thousands of years ago. Ethos is essentially your credibility — that is, the reason people should believe what you're saying. In writing this blog I made an effort to demonstrate my ethos in the introduction, and here I'll just add that I have a degree in communication studies (emphasis in rhetoric for those who want the details) for good measure. In some cases, ethos comes merely from your rank within an organization. More commonly, though, today's leaders build ethos most
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    Three aspects of communication as outlined by Aristotle.
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The Classroom » Using Diigo for Organizing the Web for your Class - 13 views

  • Using Diigo for Organizing the Web for your Class 31 07 2007 A good friend of mine, Randy Lyseng, has been telling people of the tremendous power and educational value that can be gained from social bookmarking in the classroom. His personal favourite is Diigo. My preference is a social bookmarking tool called http://diigo.com. With diigo, you can highlight, add stick notes and make your comments private or public. (Randy Lyseng, Lyseng Tech: Social Bookmarking, November 2006) After listening to Randy praise Diigo at every opportunity, I finally started playing with the site (and corresponding program, more on that in a bit) this summer (I know Randy - I’m slow to catch on…)As I started to play with the system, my mind started reeling with all the possibilities. First off, like any other social bookmarking tool, Diigo allows you to put all your favorites/bookmarks in one “central” location. Students can access them from ANY computer in the world (talk about the new WWW: whatever, whenever, where ever). They just open up your Diigo page, and there are all the links. But that’s just the tip of the iceberg. Diigo’s power lies in it’s group annotations. That’s right, people can now write in the margins of webpages. You can highlight passages of interest, write notes, and even write a blog entry directly from another webpage, quoting passages right from the original text. Sounds great - but to do all that it must be complicated right? Nope. To use these advanced features all you need to do is run the Diigo software. This can either be done using a bookmarklet or by downloading and installing the Diigo toolbar. While both have basically the same features, the toobar is less finicky, and allows you to use contextual menus to access features quickly. I also find the toolbar’s highlighting and sticky notes to be easier to read. Ok fine… I can leave notes on webpages - so what? Here’s an example. I’m thinking about having my 7B’s record radio plays. I’ve looked them up online and found many scripts from all the old classics available. However many also contain the old endorsements from tobacco and other companies. So I go to a play that I’d like to my students to record and highlight the old commercial. If they’re using diigo when they access this page they’ll see the same text highlighted in pink, and when they mouse over the highlighted text they’ll get a hidden message from me - “I’d like you to write a new advertisement for this section. What other advertisement do you think we could write for here? Write an ad for a virtue or trait that you think is important. For example - “Here’s a news flash for every person in Canada. It’s about a sensational, new kind of personality that will make you the envy of all those around you. It’s call trustworthiness. Why with just a pinch of this great product….” They now have a writing assignment to go along with the recording of the radio play. Adding assignments is just one possibility. You can ask questions about the site, or have students carry on conversations about the text. perhaps about the validity of some information. These notes can be made private (for your eyes only), public, or for a select group of people. You could use the same webpage for multiple classes, and have a different set of sticky notes for each one! Diigo will also create a separate webpage for each group you create, helping you organize your bookmarks/notes further! This technology is useful for any class, but I think is a must have for any group trying to organize something along the lines of the 1 to 1 project. I’m hoping to convince all the core teachers to set up a group page for their classes, and organize their book marks there! I’ve already started one for my 7B Language Arts Class! One of the first questions I was asked when I started looking at this site, and more importantly at the bookmarklets and toolbar was is it secure? Will it bring spyware onto our systems? How about stability? I’ve currently been running the Diigo bookmarklet and toolbar on 3 different browsers, Explorer, Firefox, and Safari (sorry, there’s no Safari toolbar yet), across 4 different computers and 2 different platforms with no problems. I’ve also run every virus and spyware scan I can think of, everything checks out clean. I’ve also done an extensive internet check, and can’t find any major problems reported by anyone else. To my mind it’s an absolutely fantastic tool for use in the classroom. Thanks Diigo! And thanks Randy for pointing me in the right direction!

Going Google at TCE - 96 views

started by Greta Oppe on 17 Feb 11 no follow-up yet

Combustion - Science for Kids - 46 views

started by Randy Yerrick on 24 Feb 14 no follow-up yet
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The fantasies driving school reform: A primer for education graduates - The Answer Shee... - 5 views

  • Richard Rothstein
  • In truth, this conventional view relies upon imaginary facts.
  • Let me repeat: black elementary school students today have better math skills than white students did only twenty years ago.
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  • As a result, we’ve wasted 15 years avoiding incremental improvement, and instead trying to upend a reasonably successful school system.
  • But the reason it hasn’t narrowed is that your profession has done too good a job — you’ve improved white children’s performance as well, so the score gap persists, but at a higher level for all.
  • Policymakers, Pundits, and Politicians ignore these gains; they conclude that you, educators, have been incomPetent because the test score gaP hasn’t much narrowed.
  • If you believe public education deserves greater support, as I do, you will have to boast about your accomplishments, because voters are more likely to aid a successful institution than a collapsing one.
  • In short, underemployment of parents is not only an economic crisis — it is an educational crisis. You cannot ignore it and be good educators.
  • equally important educational goals — citizenship, character, appreciation of the arts and music, physical fitness and health, and knowledge of history, the sciences, and literature.
  • If you have high expectations, your students can succeed regardless of parents’ economic circumstances. That is nonsense.
  • health insurance; children are less likely to get routine and preventive care that middle class children take for granted
  • If they can’t see because they don’t get glasses to correct vision difficulties, high expectations can’t teach them to read.
  • Because education has become so politicized, with policy made by those with preconceptions of failure and little understanding of the educational process, you are entering a field that has become obsessed with evaluating only results that are easy to measure, rather than those that are most important. But as Albert Einstein once said, not everything that counts can be counted, and not everything that can be counted, counts.
  • To be good educators, you must step up your activity not only in the classroom, but as citizens. You must speak up in the public arena, challenging those policymakers who will accuse you only of making excuses when you speak the truth that children who are hungry, mobile, and stressed, cannot learn as easily as those who are comfortable.
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    An important read for anyone who truly wants to understand what's really important in education and the false reform strategies of our current (and past) administration.
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Japanese Real Estate Bubble Recoverry? - 0 views

  • look at economic trends
  • it is becoming more apparent that we may be entering a time when low wage jobs dominate and home prices remain sluggish for a decade moving forward.
  • looking at the Federal Reserve’s quantitative easing program, growth of lower paying jobs, baby boomers retiring, and the massive amount of excess housing inventory we start to see why Japan’s post-bubble real estate market is very likely to occur in the United States.
  • ...9 more annotations...
  • both economies had extraordinarily large real estate bubbles.
  • Massive real estate bubble (check) -Central bank bailing out banks (check) -Bailed out banks keep bad real estate loans on their books at inflated values (check) -Government taking on higher and higher levels of debt relative to GDp (check) -Employment situation stabilizes with less secure labor force (check) -Home prices remain stagnant (check)
  • the United States had never witnessed a year over year drop in nationwide home prices since the Great Depression.
  • home prices are now back to levels last seen 8 years ago.  The lost decade is now nipping at our heels but what about two lost decades like Japan?
  • the U.S. has such a large number of part-time workers and many of the new jobs being added are coming in lower paying sectors signifies that our economy is not supportive of the reasons that gave us solid home prices for many decades. 
  • young Japanese workers, some in their late 20s or early 30s, already resigned that they would never buy a home.
  • The notion that housing is always a great investment runs counter to what they saw in their lives.  Will they even want to buy as many baby boomers put their larger homes on the market
  • many of our young households here are now coming out with massive amounts of student loan debt.
  • Lower incomes, more debt, and less job security.  What this translated to in Japan was stagnant home prices for 20 full years.  We are nearing our 10 year bear market anniversary in real estate so another 10 is not impossible.  What can change this?  Higher median household incomes across the nation but at a time when gas costs $4 a gallon, grocery prices are increasing, college tuition is in a bubble, and the financial system operates with no reform and exploits the bubble of the day, it is hard to see why Americans would be pushing home prices higher.
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    Explains how Japan has responded to the breaking of their real estate market bubble and the effect it has had on Japan's economy
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Math Forum: Ask Dr. Math FAQ: Integers, Rational Numbers, Irrational Numbers - 49 views

  • A rational number is any number that can be written as a ratio of two integers (hence the name!). In other words, a number is rational if we can write it as a fraction where the numerator and denominator are both integers. The term "rational" comes from the word "ratio," because the rational numbers are the ones that can be written in the ratio form p/q where p and q are integers. Irrational, then, just means all the numbers that aren't rational. Every integer is a rational number, since each integer n can be written in the form n/1. For example 5 = 5/1 and thus 5 is a rational number. However, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers. So the set of all rational numbers will contain the numbers 4/5, -8, 1.75 (which is 7/4), -97/3, and so on. Is .999 repeating a rational number? Well, a number is rational if it can be written as A/B (A over B): .3 = 3/10 and .55555..... = 5/9, so these are both rational numbers. Now look at .99999999..... which is equal to 9/9 = 1. We have just written down 1 and .9999999 in the form A/B where A and B are both 9, so 1 and .9999999 are both rational numbers. In fact all repeating decimals like .575757575757... , all integers like 46, and all finite decimals like .472 are rational.
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