if more than one box in the row is ticked
1award no mark
Answers to KS3 level 4 questions
7. (a)
point A: south pole
if more than one box in the row is ticked
1
award no mark
point B: south pole
if more than one box in the row is ticked
1
award no mark
(b)
(i) The
magnet attracts
if more than one box is ticked,
1
the iron block.
award no mark
(ii)
The iron block attracts
if more than one box is ticked,
1
the magnet.
award no mark
[4]
8. (a)
the push of a jet engine on an aeroplane
1
the weight of a book on a table
1
the pull of a horse pulling a cart
1
ticks in 2nd, 4th and 5th
boxes
if more than three boxes
are ticked, deduct one mark for each incorrectly ticked box
minimum mark zero
(b)
answers should indicate that the path of the ball is not straight
any one from
1
· it changes direction
accept ‘it goes up and comes down’
· it does not go in a straight line
accept ‘it is accelerating’ or ‘gravity pulls
it back down’
· it goes in a curve
do not accept ‘gravity’
(c)
It makes the trolley go faster
if more than one box is ticked,
1
award no mark
[5]
9. (a)
(i) light
1
(ii)
ripples on water or ripples
1
(b)
Sound cannot travel through
if more than one box is ticked,
a vacuum.
award no mark
[3]
10. A
no effect
if more than one box is ticked,
1
B
they attract
award no mark
1
C
they repel
1
D
they attract
1
[4]
11. The
answer should imply that the circuit is no longer complete
(a)
the circuit is broken or the break in B stops current from flowing
through A
1
accept ‘they are in
series’
accept ‘the connection is
broken’
do not accept
‘faulty circuit’
(b)
(i) yes
1
(ii) yes
1