101. Longitudinal And Transverse Wave Motion Explanations with animations. http://www.gmi.edu/~drussell/Demos/waves/wavemotion.html

Acoustics Animations Dr. Dan Russell Kettering University Applied Physics Longitudinal and Transverse Wave Motion Mechanical Waves are waves which propagate through a material medium (solid, liquid, or gas) at a wave speed which depends on the elastic and inertial properties of that medium. There are two basic types of wave motion for mechanical waves: longitudinal waves and transverse waves. The animations below demonstrate both types of wave and illustrate the difference between the motion of the wave and the motion of the particles in the medium through which the wave is travelling. [The following animations were created using a modifed version of the Mathematica Notebook " Sound Waves " by Mats Bengtsson.] Longitudinal Waves In a longitudinal wave the particle displacement is parallel to the direction of wave propagation. The animation below shows a one-dimensional longitudinal plane wave propagating down a tube. The particles do not move down the tube with the wave; they simply oscillate back and forth about their individual equilibrium positions. Pick a single particle and watch its motion. The wave is seen as the motion of the compressed region (ie, it is a pressure wave), which moves from left to right. To see a animations of spherical longitudinal waves check out: Sound Radiation from Simple Sources Radiation from Cylindrical Sources Transverse Waves In a transverse wave the particle displacement is perpendicular to the direction of wave propagation. The animation below shows a one-dimensional transverse plane wave propagating from left to right. The particles do not move along with the wave; they simply oscillate up and down about their individual equilibrium positions as the wave passes by. Pick a single particle and watch its motion.

102. PIRA Physics Instructional Resource Association PIRA Website http://physicslearning.colorado.edu/PiraHome/index.htm

About PIRA (New!) Wiki File Sharing ... AAPT Physics Instructional Resource Association Ask a Demo God/Goddess! Click here to email your questions about physics instructional resources. PIRA 200 Poster PIRA 200 Poster PDF in color PIRA 200 Poster PDF - 1 PIRA 200 Poster PDF - 2 PIRA 200 Poster Word Document - 1 ... Much thanks to Angela Plagemann from the University of Michigan for this comprehensive list Image credits: composite optical/x-ray Crab pulsar, NASA/HST/CXC/ASU/J Hester et al; David Maiullo, NJAAPT New Wiki Page! A new, secure Wiki has been created for physics learning resource specialists. Everyone is welcome and invited to create pages for lecture demonstrations, student labs, outreach, etc. This is experimental and freeform at this stage, so feel free test ideas. As pages develop, the content might be divided into, for example, separate Wikis for lecture demonstration and student labs. File Sharing !! New feature! Upload/download images, videos and other multimedia files. Share and browse. The 5-MB size limit for file uploads in the beta version has been eliminated. Files up to 200 MB are accepted now. ... Free Physics drawings for your tests and lectures

103. National Science Teachers Association - Science & Education Resource Site has extensive collection of information about the teaching of science. http://www.nsta.org/

104. Society Of Physics Students National Organization Includes a listing of all chapter schools, with links to their websites. http://www.spsnational.org/

var MenuLinkedBy='AllWebMenus [2]', awmBN='DW'; awmAltUrl=''; CONNECT WITH SPS: Twitter Facebook Fan Page YouTube ... The Nucleus CONNECT WITH PHYSICISTS: MentorNet Tutor.com ComPADRE Physicist Profiles ... Professional Societies QUICK LINKS: Join SPS Renew Careers Using Physics Information Handbook ... Hot Science INFORMATION FOR: Prospective Members Chapters Zones Council Members Tutor.com 2010 ICPS SPS Interns Studying Abroad Earn Extra Income as an Online Physics Tutor! Tutor.com, the award-winning provider of one-to-one, online tutoring and homework help is renewing its successful partnership with the SPS to continue to recruit top notch physics tutors to help the hundreds of students who turn to Tutor.com for physics tutoring every night of the week.  Today more than 50 SPS members tutor for Tutor.com.  The company plans to bring on several hundred math and science tutors over the coming months. More Information Apply Online Outstanding Students attend ICPS in Austria The 2010 SPS Outstanding Students Award recipients, Anya Burkart (Creighton University), and Daniel Glass (Elon University), represented the United States and SPS and presented their research at the 2010 International Conference of Physics Students (ICPS), August 17-23, 2010, in Graz, Austria. Expenses for transportation, room, board, and meeting registration were paid by SPS and it's parent organization, the American Institute of Physics. 2010 ICPS Website About the Awards Summer winds down for the 2010 SPS Interns From working on Capitol Hill to preparing science kits for middle school students, the 12 SPS summer interns have been busy! They gave their closing presentations at the home of SPS National, the American Center for Physics, on Tuesday, August 3rd. To see their introductions, journals, and photos, visit the

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