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BBC Bitesize, [1] also abbreviated to Bitesize, is the BBC's free online study support resource for school-age people in the United Kingdom. It is designed to aid people in both schoolwork and, for older people, exams .
Examination boards in the United Kingdom (sometimes called awarding bodies or awarding organisations) are the examination boards responsible for setting and awarding secondary education level qualifications, such as GCSEs, Standard Grades, A Levels, Highers and vocational qualifications, to students in the United Kingdom.
Triple Award Science, commonly referred to as Triple Science, results in three separate GCSEs in Biology, Chemistry and Physics and provide the broadest coverage of the main three science subjects. The qualifications are offered by the five main awarding bodies in England; AQA , Edexcel , OCR , CIE and Eduqas .
^a Irish-medium exams are only available in Northern Ireland, from the CCEA exam board. ^b Welsh-medium exams are only available in Wales, from the WJEC exam board. The General Certificate of Secondary Education ( GCSE ) is an academic qualification in a range of subjects taken in England , Wales , and Northern Ireland , having been introduced ...
The indicator is used in photosynthesis and respiration experiments to find out whether carbon dioxide is being liberated. [1] It is also used to test the carbon dioxide content during gaseous exchange of organisms. When the carbon dioxide content is higher than 0.04%, the initial red colour changes to yellow as the pH becomes more acidic.
Supercritical carbon dioxide (s CO 2 ) is a fluid state of carbon dioxide where it is held at or above its critical temperature and critical pressure . Carbon dioxide usually behaves as a gas in air at standard temperature and pressure (STP), or as a solid called dry ice when cooled and/or pressurised sufficiently.
The National Registry of Certified Chemists (NRCC) is an American certification agency for chemistry professionals founded in 1967. [ 1 ] In 1999, the organization name changed from National Registry in Clinical Chemistry to National Registry of Certified Chemists to reflect the broader scope of chemists.
Cambridge Assessment is a non-teaching department of the University of Cambridge, making Cambridge the only British university to maintain a direct link with a school exam board. [7] Cambridge Assessment, which celebrated its 160th anniversary in 2018, became part of Cambridge University Press & Assessment in August 2021.