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    Can u please tell me how much is an A and an A* for the science controlled assessment C1 btw the controlled assessment is 25%
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    Make sure you understand your experiment and the theory behind it, plus any failing or improvements you could make. As well as this, ensure you have a solid understanding of how to calculate and propagate errors in your measurements.
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    (Original post by laith1)
    Can u please tell me how much is an A and an A* for the science controlled assessment C1 btw the controlled assessment is 25%
    I'm not sure if you are asking for the grade boundaries, but for AQA GCSE Chemistry in June 2013 A=38/50 and A*=42/50. It varies from year to year, but in general if you get 45/50 that would be a secure A*....if you get 40/50 that would be a secure A. If you want to find grade boundaries from previous years, search for AQA UMS converter. The controlled assessments are unit 4 (where units 1, 2 and 3 are the exams).
 
 
 
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