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Mechanics, Particle Physics, Electromagnetism, Astronomy, Computer Science. Project Overview. Learning Areas. Levels. Students 15-17 years old. Objectives. Learn the conditions that makes an object to travel on a circular orbit.

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1. Mechanics, Particle Physics, Electromagnetism, Astronomy, Computer Science Project Overview Learning Areas Levels Students 15-17 years old Objectives • Learn the conditions that makes an object to travel on a circular orbit. • Learn how this theoretical model can be applied on Astronomy. How do planets move? Why their orbits are circular? • Learn how the same model is applied on Particle Physics. Why accelerators are circular? What is happening in CERN NOW? • Learn how to develop and apply a model with the use of computers. Description • Students • Studied the theoretical background of normal circular motion (constant angular speed), • Observed both Lorenz Force on a charged particle and the Gravitational Force on Moon • Encouraged to apply the same model on both cases, although the nature of each Force is different. Software MS office suite, MS OneNote2007, MS WorldWide Telescope, MS SharePoint Server 2007, MS LCDS, Modellus 4.01, Interactive Physics 2005, Microsoft World Wide Telescope, Articulate Presenter, Articulate QuizMaker. Videoconference software. Keywords Circular orbit, Lorenz force, gravitational force, particle physics, CERN, Earth, Moon, Sun, proton, magnetic field, electromagnetism, computer model. Authors George Diplaris & Dr. Kostas Dimitriou, Psychiko College (HAEF), Greece Documents

2. Teacher Planning and Management • During lectures (phase 1, two school hours), students • learned about circular motion and the Newton’s 2nd Law, • understood Lorenz force and how particles could be accelerated in a circular orbit, • were taught about gravity and how the planets are moving the way the move. • During the second phase (computer lab, 1 school hour) students developed two computer models using Modellus and Interactive Physics: • The Moon, as it moves around Earth and • The LHC in CERN, where proton packets collide. • The third phase (one school hour) focused on the use of the World Wide Telescope from Microsoft Research. Students saw the Moon circling around Earth. They had to accelerate time about 1000000 times. A demonstration tour was prepared by teachers. • Finally, (phase 4, one school hour) students had a teleconference with two Greek scientists from CERN (Dr Koratzinos and Dr Papaphilippou). Students had a lot to ask so as to understand what is happening in CERN. • All described activities were supported by questionnaires and worksheets created by teachers. Various material was developed to augment and support the learning process. All data were provided by teachers Documents