Final Mark Scheme. Additional Science Physics (Specification ) PH2HP. Unit Physics
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Final Mark Scheme. Additional Science Physics (Specification ) PH2HP. Unit Physics Final Mark Scheme. Additional Science Physics (Specification ) PH2HP. Unit Physics Final Mark Scheme. Additional Science Physics (Specification ) PH2HP. Unit Physics
,Mark schemes are prepared by the Principal Examiner and considered, together with the
relevant questions, by a panel of subject teachers. This mark scheme includes any
amendments made at the standardisation events which all examiners participate in and is the
scheme which was used by them in this examination. The standardisation process ensures
that the mark scheme covers the students’ responses to questions and that every examiner
understands and applies it in the same correct way. As preparation for standardisation each
examiner analyses a number of students’ scripts: alternative answers not already covered by
the mark scheme are discussed and legislated for. If, after the standardisation process,
examiners encounter unusual answers which have not been raised they are required to refer
these to the Principal Examiner.
It must be stressed that a mark scheme is a working document, in many cases further
developed and expanded on the basis of students’ reactions to a particular paper.
Assumptions about future mark schemes on the basis of one year’s document should be
avoided; whilst the guiding principles of assessment remain constant, details will change,
depending on the content of a particular examination paper.
Further copies of this Mark Scheme are available from: aqa.org.uk
Copyright
AQA retains the copyright on all its publications. However, registered schools/colleges for AQA are permitted to copy material
from this booklet for their own internal use, with the following important exception: AQA cannot give permission to
schools/colleges to photocopy any material that is acknowledged to a third party even for internal use within the centre.
Set and published by the Assessment and Qualifications Alliance.
The Assessment and Qualifications Alliance (AQA) is a company limited by guarantee registered in England and Wales (company number 3644723) and a registered
charity (registered charity number 1073334).
Registered address: AQA, Devas Street, Manchester M15 6EX.
, Mark Scheme – General Certificate of Secondary Education Physics – PH2HP – January 2013
Information to Examiners
1. General
The mark scheme for each question shows:
• the marks available for each part of the question
• the total marks available for the question
• the typical answer or answers which are expected
• extra information to help the Examiner make his or her judgement and help to delineate
what is acceptable or not worthy of credit or, in discursive answers, to give an overview of
the area in which a mark or marks may be awarded.
The extra information is aligned to the appropriate answer in the left-hand part of the mark
scheme and should only be applied to that item in the mark scheme.
At the beginning of a part of a question a reminder may be given, for example: where
consequential marking needs to be considered in a calculation; or the answer may be on the
diagram or at a different place on the script.
In general the right-hand side of the mark scheme is there to provide those extra details
which confuse the main part of the mark scheme yet may be helpful in ensuring that marking
is straightforward and consistent.
2. Emboldening
2.1 In a list of acceptable answers where more than one mark is available ‘any two from’
is used, with the number of marks emboldened. Each of the following bullet points is
a potential mark.
2.2 A bold and is used to indicate that both parts of the answer are required to award the
mark.
2.3 Alternative answers acceptable for a mark are indicated by the use of or. Different
terms in the mark scheme are shown by a / ; eg allow smooth / free movement.
3. Marking points
3.1 Marking of lists
This applies to questions requiring a set number of responses, but for which candidates have
provided extra responses. The general principle to be followed in such a situation is that
‘right + wrong = wrong’.
Each error / contradiction negates each correct response. So, if the number of error /
contradictions equals or exceeds the number of marks available for the question, no marks
can be awarded.
However, responses considered to be neutral (indicated as * in example 1) are not
penalised.
Example 1: What is the pH of an acidic solution? (1 mark)
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