How do I pass an ISA in GCSE science

I have already failed two and another one is coming up soon can you help me?

Answers
How did you fail the first two? Were you given reasons?
ianmoth
29 November 2011
I failed the first one because of the written exam, I passed the practical so I am okay with that, and no I wasnt given any reasons I have a feeling its because I just have a lack of understanding with everything involving the written exam.
wpgambino
30 November 2011
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