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GCSE Bitesize was launched in January 1998, covering seven subjects. For each subject, a one- or two-hour long TV programme would be broadcast overnight in the BBC Learning Zone block, and supporting material was available in books and on the BBC website. At the time, only around 9% of UK households had access to the internet at home.
The lever is operated by applying an input force F A at a point A located by the coordinate vector r A on the bar. The lever then exerts an output force F B at the point B located by r B. The rotation of the lever about the fulcrum P is defined by the rotation angle θ in radians. Archimedes lever, Engraving from Mechanics Magazine, published ...
BBC Learning English is a department of the BBC World Service devoted to English language teaching. The service provides free resources and activities for teachers and students, primarily through its website. It also produces radio programmes which air on some of the BBC World Service's language services and partner stations.
The term is defined in The Education (Northern Ireland) Order 2006 as "the period beginning at the same time as the next school year after the end of key stage 1 and ending at the same time as the school year in which the majority of pupils in his class complete three school years in that key stage". [4]
Engraving from an 1824 mechanics magazine illustrating Aristotle's statement that given a place to stand, with a lever a person could move the Earth. The idea of a simple machine originated with the Greek philosopher Archimedes around the 3rd century BC, who studied the Archimedean simple machines: lever, pulley, and screw.
The Levellers' agenda developed in tandem with growing dissent within the New Model Army in the wake of the First Civil War. Early drafts of the Agreement of the People emanated from army circles and appeared before the Putney Debates of October and November 1647, and a final version, appended and issued in the names of prominent Levellers Lt. Col. Lilburne, Walwyn, Overton and Prince appeared ...
Plants are the eukaryotes that form the kingdom Plantae; they are predominantly photosynthetic.This means that they obtain their energy from sunlight, using chloroplasts derived from endosymbiosis with cyanobacteria to produce sugars from carbon dioxide and water, using the green pigment chlorophyll.
Semi-detached houses are the most common property type in the United Kingdom (UK). They accounted for 32% of UK housing transactions and 32% of the English housing stock in 2008. [1] Between 1945 and 1964, 41% of all properties built were semis. After 1980, the proportion of semis built fell to 15%. [2]