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AQA Education, [1] trading as AQA (formerly the Assessment and Qualifications Alliance), is an awarding body in England, Wales and Northern Ireland. It compiles specifications and holds examinations in various subjects at GCSE, AS and A Level and offers vocational qualifications. AQA is a registered charity and independent of the government.
The O grade was equivalent to a GCE Ordinary Level pass which indicated a performance equivalent to the lowest pass grade at Ordinary Level.. Over time, the validity of this system was questioned because, rather than reflecting a standard, norm referencing simply maintained a specific proportion of candidates at each grade, which in small cohorts was subject to statistical fluctuations in ...
Level 2 (harder, more knowledge required) paper is required. These subjects are French, English, Spanish, Mandarin and Science (Level 1 candidates sit a single Science paper, Level 2 three separate papers). [5] In addition, in Latin and Mathematics, Levels 1, 2 and 3 are offered. Level 3 is a higher level, requiring more knowledge and skills ...
Science KS2 SATs were discontinued in 2013 and replaced by teacher assessments (which were already allowed during the time of SATs). In addition to teacher assessments, a SAT replacement assessment called key stage 2 science sampling test is now offered to five randomly selected pupils in a school every two years. The test comprises three ...
The BTEC is another Level 1/2 qualification available in the same territories as the GCSE, and is graded at 5 levels. At Level 2, comparable to A*, A, B, and C respectively are the Distinction*, Distinction, Merit, and Pass. A BTEC at Level 1 is simply marked as "Level 1", with no subdivision. Below that level, a U is awarded, as in GCSEs.
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
Semantic Scholar is a research tool for scientific literature. It is developed at the Allen Institute for AI and was publicly released in November 2015. [2] Semantic Scholar uses modern techniques in natural language processing to support the research process, for example by providing automatically generated summaries of scholarly papers. [3]
Lead poisoning may be acute (from intense exposure of short duration) or chronic (from repeat low-level exposure over a prolonged period), but the latter is much more common. [23] Diagnosis and treatment of lead exposure are based on blood lead level (the amount of lead in the blood), measured in micrograms of lead per deciliter of blood (μg ...