Science Entry Examination Worksheet With Answers - Whitgift School Page 48
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50Whitgift School
M13. (a)
(i)
the number of turns or coils of wire
accept ‘the coils’
accept ‘the turns’
1 (L5)
(ii)
any one from
•
the current
•
the length or thickness or material of the wire or coil
accept ‘the voltage or power’
accept ‘the wire’
•
the circumference of the coil
•
the size of paper-clips
accept ‘the paper-clips’; ‘position of the coil on the nail’;
‘tightness of the coil’; accept ‘distance between turns’;
‘the nail’
do not accept ‘the number of paper-clips’
1 (L5)
(iii)
any one from
•
count the paper-clips picked up
accept ‘number of paper-clips’; ‘count them’
•
measure their mass
accept ‘weigh them’; ‘the more clips the stronger
the magnet’;
‘measure the distance at which a magnet will just pick up
a paper-clip’
1 (L5)
(b)
any one from
•
an inaccuracy in results
accept a description of inaccuracies, such as
‘she counted the number of clips wrongly’
•
a problem with the data or results
•
a problem with the method
accept ‘something wrong with the tests’
accept ‘she used different sized paper-clips’
accept ‘the paper-clips were already magnetised’
accept ‘she did something wrong’
‘the test is unfair’ is insufficient
1 (L6)
Whitgift School
| 13+ Science Examination - Sample Paper
48
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