Whitgift School
M8. (a)
•
2
20
45 or 46
3
4
80
all three answers are required for the mark
1 (L5)
(b)
any one from
•
the height for 4 cm is 4 times the height for 2 cm
accept ‘for 2 cm it went 20 cm but for 4 cm it went 80 cm’
a mark may be awarded for other correct figures
accept ‘if I double the distance it goes four times as high’
‘when she doubled the distance it did not double the height’
is insufficient
•
the graph is a curve
accept ‘the graph is not a straight line’
•
the height for 2 cm is not twice the height for 1 cm
accept ‘if it goes from 2 to 3 cm, the height more than
doubles’
•
the height should have been 40 cm when he pressed it down 4 cm
accept appropriate arguments for other values
1 (L6)
(c)
(i)
•
some
some
both answers are required for the mark
1 (L6)
(ii)
•
most
least
both answers are required for the mark
answers must be in the correct order
1 (L6)
(iii)
•
least
least
both answers are required for the mark
1 (L6)
[5]
Whitgift School
| 13+ Science Examination - Sample Paper
42