GCSE: Science

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How should I revise for GCSE Science?

Revision books for GCSE science are excellent as they're written by the exam boards. Everything will be in there that you need to know!

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10,842 GCSE Science essays

Marked by Teachers essays 176
Peer Reviewed essays 266

Embryo Screening. The embryo screening, also referred as PGD (preimplantation genetic diagnosis), is a procedure tested on an embryo to identify any unwanted diseases that is found in the genes of the embryo.

5 star(s)

This very well written piece covers all the main ethical issues associated with embryo screening. A little more information about the techniques involved in the screening process might usefully have…
- Essay length: 1722 words
- Submitted: 10/02/2012
- Marked by teacher: Adam Roberts 01/01/1970
Identifying an Ionic Compound. Objectives: To learn and test for metal ions and non-metal ions and then apply them to discover the identity of an unknown ionically bonded substance

5 star(s)

This is a very complex GCSE experiment, using aspects of chemistry that would not usually be encountered until AS level. It is very detailed, uses excellent results tables and makes…
- Essay length: 3128 words
- Submitted: 23/01/2012
- Marked by teacher: Brady Smith 08/05/2012
Biology Revision notes - Human Biology

5 star(s)

This is a very comprehensive revision booklet for gcse biology. All areas are covered although as it is a revision booklet some areas do not go into a lot…
- Essay length: 8676 words
- Submitted: 24/12/2011
- Marked by teacher: Louise Star 09/04/2013
Testing the biochemicals present in apple and green bean using specific chemical tests.

5 star(s)

*****
This account is detailed and shows a clear understanding of the chemical basis for the tests carried out. A few minor details might have been better explained.…
- Essay length: 1530 words
- Submitted: 13/11/2011
- Marked by teacher: Adam Roberts 26/04/2013
Artificial Cardiac Pacemakers

5 star(s)

An excellent GCSE level report, which addresses all the research questions posed clearly. Relevant images and statistics are used throughout to illustrate key points and all information is thoroughly…
- Essay length: 3972 words
- Submitted: 19/05/2011
- Marked by teacher: Kerry jackson 19/02/2012
Biology lab - transpiration

5 star(s)

A very good A level standard practical write up, investigating transpiration in plants, and what factors can have an effect on it. The background information is well researched and…
- Essay length: 1729 words
- Submitted: 01/05/2011
- Marked by teacher: Louise Star 09/04/2013
GCSE Bioligy Case Sudy - MRSA

5 star(s)

An excellent GCSE level report that presents key scientific explanations and arguments clearly, with good use of relevant graphs and statistics and consistent references. To improve:
1)Clarify why the…
- Essay length: 2407 words
- Submitted: 09/04/2011
- Marked by teacher: Kerry jackson 15/02/2012
Biology notes

5 star(s)

*****

An excellent set of summary notes.

Some of the notes are a little bit basic but are good for getting the framework necessary for a more deeper…
- Essay length: 5059 words
- Submitted: 16/02/2011
- Marked by teacher: Adam Roberts 08/01/2013
Chemistry revision notes. Atomic Structure and Bonding, Electrolysis, Acids and Alkalis.

5 star(s)

This is a fantastic, well detailed, clearly explained set of notes covering a wide range of topics. They are clearly labelled with useful subheadings and include excellent examples to help…
- Essay length: 3184 words
- Submitted: 16/02/2011
- Marked by teacher: Brady Smith 01/12/2012
Reaction of Alcohol Lab

5 star(s)

Awarded 5 stars for excellent scientific knowledge and well planned out methods. Great detailed predictions at the start and clear analysis of the results. Only one improvement would be to…
- Essay length: 699 words
- Submitted: 08/11/2010
- Marked by teacher: Patricia McHugh 01/12/2012