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AS and A Level: Science

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Do you have any tips for getting an A in A level Science?

Do past papers. For A level Biology and A level Chemistry, don't be afraid to do them more the once.

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4,940 AS and A Level Science essays

  • Marked by Teachers essays 102
  • Peer Reviewed essays 178
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  1. Marked by a teacher

    Cellular Structure amd Function

    5 star(s)

    A very comprehensive and detailed piece of work on cells. The function and structure of all the major cell types are described and explained along with a simple diagram to…

    • Essay length: 1907 words
    • Submitted: 22/07/2012
    • Marked by teacher: (?) Louise Star 10/04/2013
  2. Marked by a teacher

    Revision Notes. Substances Manufactured for use in Industries. Chemicals, alloys and polymers.

    5 star(s)

    This is a very comprehensive set of notes. It goes into a good level of detail although the science is at an intermediate level (not too difficult). It is very…

    • Essay length: 1420 words
    • Submitted: 24/03/2012
    • Marked by teacher: (?) Brady Smith 10/04/2013
  3. Marked by a teacher

    Write an essay on electrode potentials.

    5 star(s)

    This is an extremely well explained report on electrochemical cells. The author explains how a cell works with incredible clarity and very helpful equations and diagrams. The paragraphs may seem…

    • Essay length: 1107 words
    • Submitted: 10/03/2012
    • Marked by teacher: (?) Brady Smith 10/04/2013
  4. Marked by a teacher

    Write an account of buffer solutions.

    5 star(s)

    This is a highly detailed account with lots of correct equations and in depth chemistry.

    This is a 5* piece of work…

    • Essay length: 974 words
    • Submitted: 10/03/2012
    • Marked by teacher: (?) Brady Smith 14/12/2012
  5. Marked by a teacher

    Experiment to determine the ethanol content of wine

    5 star(s)

    This is an excellent, highly accurate, very reliable report. It uses sophisticated equipment and fairly complicated science to make a valid conclusion
    This piece of work is a 5*…

    • Essay length: 2599 words
    • Submitted: 13/02/2012
    • Marked by teacher: (?) Brady Smith 20/02/2012
  6. Marked by a teacher

    Experiment to Determine Acidities of Wine. The purpose of this experiment is to determine the total and volatile acidities of each of the wines and compare them.

    5 star(s)

    This is an excellent report. It uses sound theory to construct and perform a very accurate experiment. It then makes direct and legitimate conclusions. It is written well and is…

    • Essay length: 3117 words
    • Submitted: 13/02/2012
    • Marked by teacher: (?) Brady Smith 17/06/2112
  7. Marked by a teacher

    Reactions of aldehydes and ketones. The purpose of this experiment is to compare some reactions of ethanal and propanone.

    5 star(s)

    This is a fantastic, extremely detailed account with excellent chemistry used throughout. I would highly recommend it to anyone studying the identification of aldehydes or ketones

    This piece of…

    • Essay length: 2576 words
    • Submitted: 31/12/2011
    • Marked by teacher: (?) Brady Smith 14/07/2112
  8. Marked by a teacher

    Preparation of propanone from propan-2-ol

    5 star(s)

    This is a highly detailed, well laid out experiment with excellent alternative methods.
    This piece of work is 5*…

    • Essay length: 2193 words
    • Submitted: 31/12/2011
    • Marked by teacher: (?) Brady Smith 20/02/2012
  9. Marked by a teacher

    Objective To find out the equilibrium constant, Kc, for the reaction below, using acid hydrolysis:

    5 star(s)

    This is a very descriptive, well through out practical. It contains advanced mathematical analysis for an A2 course and draws good conclusions

    This piece of work is 5 stars…

    • Essay length: 1372 words
    • Submitted: 19/11/2011
    • Marked by teacher: (?) Brady Smith 23/05/2112
  10. Marked by a teacher

    Heat of Neutralization. Objective: To investigate the enthalpy changes () of various acid-base neutralizations.

    5 star(s)

    This is a very good report. It has a detailed, reliable method and excellent graphs of results. The calculations within it are set out very well and allow valid conclusions…

    • Essay length: 2605 words
    • Submitted: 13/11/2011
    • Marked by teacher: (?) Brady Smith 14/12/2012

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