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John Burk

Work and energy for an accelerating car | Matter & Interactions - 0 views

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    pretty detailed accounting of work and pseudowork for accelerating car
John Burk

Participation Quizzes « Continuous Everywhere but Differentiable Nowhere - 1 views

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    This article summarizes a great method for providing feedback for group work. 
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    This looks very interesting. I like the idea of live/ immediate feedback about the group work. I tried some group work this year but struggled with how to give feedback and how to ensure all students really participated in the process. It would be interesting to know what size groups people think work best. I kind of like the idea of posting the feedback like that, but I do understand the concerns voiced. One immediate issue it addresses is: students would not think you are on the laptop "goofing off" AND, for students who aren't really sure what you are looking for in terms of executing the task, this would give them great feedback.
John Burk

Problems in Physics (pdf) from Kapitza - 0 views

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    This is a collection of 223 open ended physics questions Kapitza used to use on the hard core russian version of the Q exam. Fun to work through once and a while. If you ever work through a question, be sure to send it my way, I'd love to see it.
John Burk

Why Science is "Just So Darn Hard" - THE DAILY RIFF - Be Smarter. About Education. - 0 views

  • The traditional lecture format is the not the best method for teaching science. Again to draw an analogy with physical education, lectures are of limited use when the subject being taught is an activity.
  • The competitive model for science education, and for education in general, is poor training for how work is actually accomplished. Corporations compete, athletes compete, politicians compete, but the vast majority of working people have to cooperate if they want to get anything done.
  • Competitive grading systems discourage recreational interest. This is true in school athletic programs and it is also true for science classes. Just as students who get picked last for sports teams conclude athletics is not for them, students who fail to make the cut in science classes, conclude that they lack the "science gene," and should not even try to understand the subject.
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  • Pedagogies that use "inquiry-based" or "discovery" methods have their place in science instruction, but should not, as some educators have advocated, be the only methods used. 
  • Traditional classroom education does not select for some character traits that are critical for success in science. Patience and above all persistence are necessary personal traits for a successful career in science.
  • I tell them that when choosing research assistants I am not necessarily looking for the best student in the classroom, I am looking for a student with a strong work ethic,  one who can accept direction and feedback, and one who is excited about the work.
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    interesting article that compares training of scientists to athletes and flaws with that model. 
John Burk

How Schlieren Imaging Works | Talking Physics - 1 views

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    very cool explanation of schlieren imaging
John Burk

A lesson from physics: Even lucid lectures on abstractions don't work « Compu... - 0 views

  • “I point to the following unwelcome truth: much  as we might dislike the implications, research is showing that didactic exposition of abstract  ideas and lines of reasoning (however engaging and lucid we might try to make them) to passive  listeners yields pathetically thin results in learning and understanding – except in the very small percentage of students who are specially  gifted in the field.” Arnold Arons (1997)
John Burk

How a Smartphone Knows Up from Down (accelerometer) - YouTube - 0 views

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    excellent video that explains how mems accelerometers work
John Burk

Design Build Tech Innovations Class Work, Part 1: Hexapod, Rockets, and Trebu... - 1 views

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    Good post on pbl with specific ideas on how to implement in science
John Burk

Socks Before Shoes: Unraveling Cell Division - 0 views

  • Just as you make sure your socks are on before your shoes, cells make sure that their chromosomes are properly aligned before they divide. However, every time a cell divides, it runs the risk of generating cells with too few or too many chromosomes. These mistakes can cause Down Syndrome and play a role in the growth of cancers. In his Science Center Lecture Series presentation, professor Andrew Murray looks at a mysterious cellular process that may provide clues to understanding chromosomal abnormalities such as the higher incidence of children with Down Syndrome born to older women.
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    Great lecture on how cell division works-specifically chromosomes are aligned before the cells divide.  Video is nicely broken up into parts. 
Anna Moore

Tag Galaxy - 0 views

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    interesting site with thousands of images/ photos/ pics. put in your search word and see what comes up. could be cool to use as part of QR code work/ "wonder" activities, etc
Anna Moore

Science as Inquiry | Inquiry The Web Projects Activities Research - 0 views

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    Interesting site. Linked to a book but has lots of ideas for classroom work, labs, student activities that don't require use of their book. Some interesting thoughts on pre-assessment and ways to accomplish that.
Anna Moore

Serendip Home - 0 views

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    Bryn Mawr organizes this site. It has a lot of student generated work on it along with some really great links to some very focused topics/ articles in the sciences including sleep, computer-science issues, the brain, teaching strategies, etc. Well worth checking out. Some great hands-on student activities are included. content changes with pretty decent frequency
John Burk

Whiteboard Speed Dating « Physics! Blog! - 1 views

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    An excellent idea to mix things up with whiteboarding
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    This will give students a great way to look into the mindset of how their friends work when problem solving.
Robert Ryshke

Martin Hanczyc talks about Protocells - 0 views

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    Interesting TED Talk about protocells from Martin Hanczyc. Where does life start and end? On the spectrum from non-living to living, he introduces his work with protocells. They speak to how life may have originated from only a few chemicals. Like his definition of living.
John Burk

Drew's Day: Treadmill thoughts - 0 views

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    very interesting analysis of how energy burned varies with speed on treadmill
John Burk

Colleges looking beyond the lecture - The Washington Post - 0 views

  • The lecture backlash signals an evolving vision of college as participatory exercise. Gone are the days when the professor could recite a textbook in class. The watchword of today is “active learning.” Students are working experiments, solving problems, answering questions — or at least registering an opinion on an interactive “smartboard” with an electronic clicker.
John Burk

Colleges looking beyond the lecture - The Washington Post - 0 views

  • The lecture backlash signals an evolving vision of college as participatory exercise. Gone are the days when the professor could recite a textbook in class. The watchword of today is “active learning.” Students are working experiments, solving problems, answering questions — or at least registering an opinion on an interactive “smartboard” with an electronic clicker.
  • A new biology course had 22 freshmen fan out across campus last fall for dirt samples, from which each student culled a new and heretofore unknown virus. Now, the class has picked one virus for genetic mapping.
  • Not all the ideas are new. At the University of Maryland College Park, engineering professors eliminated introductory lecture courses in 1991. Since then, students have spent the crucial first year engaged in actual engineering, building swing sets, helicopters and hovercrafts.
John Burk

National Center for Case Study Teaching in Science (NCCSTS) - 1 views

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    has a cool looking case study on Red Bull for macromolecules. plus lots of other case study ideas for mini-research projects for students. includes lab handouts, answer keys, etc.
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    This looks like an interesting site to include in a project-based approach to teaching. The cases may lend themselves well to interdisciplinary work and more extensive projects that will interest students. Let me know what the CFT can do to help.
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    Awesome collection of case studies for science teaching. 
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