Science Entry Examination Worksheet With Answers - Whitgift School Page 34
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50Whitgift School
award one mark for identifying the two reactions that take
place
award one mark for identifying the two mixtures of chemicals
which do not react
2 (L7)
[6]
M2. (a)
any one from
•
goggles
accept ‘safety glasses’
‘glasses’ is insufficient
•
hairband
accept ‘hair tied back’
‘lab coat’ is insufficient
‘using tongs’ or ‘a heat-proof mat’ is insufficient
1 (L3)
(b)
•
50 seconds
1 (L3)
(c)
(i)
both the tick and the matching explanation are required for the mark
•
yes
•
crisp A was the biggest and it burnt for 80 seconds
accept ‘crisp A burnt for the longest time’
accept ‘the biggest crisp burnt for 80s’
‘crisp A burnt for a long time’ is insufficient
‘crisp D burnt for the shortest time’ is insufficient
or
•
no
•
crisp B was the smallest and it burnt for longer than crisp D
accept ‘the smallest crisp did not burn for the least time’
accept ‘crisp B did not burn for the shortest time’
accept ‘Joanne’s test was not fair’
accept ‘C and D are the same size but burn for different
times’
1 (L4)
Whitgift School
| 13+ Science Examination - Sample Paper
34
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