{"id":3473,"date":"2023-01-18T12:05:41","date_gmt":"2023-01-18T11:05:41","guid":{"rendered":"https:\/\/agora.xtec.cat\/insponts\/?p=3473"},"modified":"2023-01-18T12:05:41","modified_gmt":"2023-01-18T11:05:41","slug":"projectes-de-tecnologia-la-catapulta-romana","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/insponts\/general\/projectes-de-tecnologia-la-catapulta-romana\/","title":{"rendered":"Projectes de Tecnologia : La Catapulta Romana"},"content":{"rendered":"<p>Un dels projectes que hem realitzat amb els alumnes de 4t d\u2019ESO a l\u2019assignatura de Tecnologia<br \/>\n\u00e9s la construcci\u00f3 d\u2019una maqueta de la famosa catapulta romana.<br \/>\nLa catapulta \u00e9s un instrument militar utilitzat pel llan\u00e7ament a dist\u00e0ncia de grans objectes.<br \/>\nVa ser inventada pels grecs i, posteriorment, la van millorar els cartaginesos i els romans.<br \/>\nAquesta arma de defensa militar va ser molt utilitzada a l\u2019edat mitjana.<\/p>\n<p>Amb la realitzaci\u00f3 d\u2019aquesta construcci\u00f3 treballem de forma competencial els conceptes de<br \/>\nm\u00e0quines simples, ja que la catapulta romana porta incorporades moltes de les primeres<br \/>\nm\u00e0quines que es van inventar. Com per exemple:<br \/>\n&#8211; la roda<br \/>\n&#8211; La palanca<br \/>\n&#8211; els engranatges<br \/>\n&#8211; el cargol<br \/>\nEn aquest cas la nostra maqueta tindr\u00e0 unes dimensions de : 250 x 100 x 270 mm.<\/p>\n<p>Tamb\u00e9 hem de comentar que durant aquests dies al taller de Tecnologia hem portat a terme diferents<br \/>\noperacions de treball amb eines i equips, com s\u00f3n:<br \/>\n&#8211; amidaments<br \/>\n&#8211; tallar fustes<br \/>\n&#8211; perforacions<br \/>\n&#8211; treballs de desbastar, ajustar i polir<br \/>\n&#8211; cargolar estructures<br \/>\n&#8211; Treballs d\u2019acabats i pintura<\/p>\n\r\n\t<div class=\"slideshow_container slideshow_container_style-light\" style=\"height: 300px; \" data-slideshow-id=\"3478\" data-style-name=\"style-light\" data-style-version=\"2.3.1\" >\r\n\r\n\t\t\t\t\t<div class=\"slideshow_loading_icon\"><\/div>\r\n\t\t\r\n\t\t<div class=\"slideshow_content\" style=\"display: none;\">\r\n\r\n\t\t\t<div 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