LINKS
Toys from trash:
http://www.arvindguptatoys.com/toys.html Peter Valdivia:
http://www.petervaldivia.com/technology/ Screw tipes: http://en.wikipedia.org/wiki/Screw Bilingual resources: http://www.aulataller.es/recursos-tecnologia-eso/tecnologia-eso-bilingue.html Mr. Murray's. Simple machines and mechanical advantage. http://cstephenmurray.com/onlinequizes/physics/simplemachines/simplemachinesindex.htm |
Password Tecno 2016-17: 053371
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