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Dear physics students,

Welcome to my wikispaces! This wikispaces is created to share what I have thought in class and discuss questions. Feel free to drop comments or questions in discussion page. Since there are several people who are using this wikispaces, please respect each others' view by writing your language carefully and do not edit the page that I have created.

Tasks for 3D Alien's Attack

You are groups of scientist who have been employed by government to propose how to destroy an alien who has created problem to the city. The characteristics of the alien: - The alien is a parasite who needs human body to act - He is able to change people's mind and thought - There is an indication that this alien is responding to sound and light - He is able to move fast about 500 m/s

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At the end of these topic each group should write about 50 – 100 words to summarize your finding about the alien and propose a suggestion to government. with facts and arguments to destroy this alien in the wikispaces. Hint: please use the word 'frequency', 'amplitude', 'energy', 'speed' in your suggestion. Your group will be awarded 10 marks for every term used.

Deadline: 27 May 2011 Total Mark: 100 Marking Criteria: - compliance to deadline = 50 marks - creativity and content = 10 marks - every terms used (frequency, amplitude, energy, speed) = 10 marks

All the best!

Sienny Wijaya Chestnut Drive Secondary School Physics teacher