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BBC Bitesize, [1] also abbreviated to Bitesize, is the BBC's free online study support resource for school-age pupils in the United Kingdom. It is designed to aid pupils in both schoolwork and, for older pupils, exams .
In August 2018, Ofqual announced that it had intervened to adjust the GCSE Science grade boundaries for students who had taken the "higher tier" paper in its new double award science exams and performed poorly, due to an excessive number of students in danger of receiving a grade of "U" or "unclassified". [3]
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.
However, in the Physics paper 1 exam, a topic that was stated as "Not Assessed" came up; AQA accepted the mistake and awarded all students the full 9 marks to the question. [70] Also, in 2022, a question on one of the higher Maths papers was leaked hours before students sat them. The exam board Edexcel apologised and conducted a full ...
For example, UPSC papers in India, SAT papers in U.S. and GCSE and A level papers in UK are being sold, as well as other exams worldwide. Previous year question (PYQ) papers are to assess student's brilliancy and capabilities. Students who are preparing for competition exams generally look for past papers.
1 Physical chemistry problems. 2 Organic chemistry problems. ... "First 25 of 125 big questions that face scientific inquiry over the next quarter-century".
He has created maths puzzles for BBC Bitesize, as well as working with Rachel Riley. [14] Seagull releases regular maths challenges on BBC Radio 4. [15] In 2018 he taught mathematics to three BBC News presenters, Naga Munchetty, Jayne McCubbin and Tim Muffett, before they retook their General Certificate of Secondary Education (GCSE ...
Although this is a reaction solely of the dissociated ions in solution, it is sometimes referred to as a double displacement reaction: [1] Pb(NO 3) 2 + 2 KI → 2 KNO 3 + PbI 2. At higher temperature, this substance easily re-dissolves by dissociation to its colorless ions. The actual change (net ionic equation) is thus: