Answers: Level6
15. (a)
award a mark for each
correct line
if more than
four lines are drawn deduct
one mark for each extra line
4
(b) the Sun
1
[5]
16. (a)
A D
E
letters may be written in any order
3
if more than three letters
are given deduct one mark for each incorrect letter; minimum mark zero
(b)
(i) gravity
or weight
1
(ii)
air resistance or drag
accept ‘friction’ or ‘wind resistance’
1
do not accept
‘wind’ or ‘upthrust’
(c)
the bright flash of light was seen
if more than one box is ticked award
1
first
no mark
light travels faster than sound
accept ‘the sound takes longer to
1
reach you’ or ‘light
travels faster’
do not accept ‘the
sound takes time to
reach you’ or ‘light travels fast’
[7]
17. (a)
point E
if more than one box is ticked
1
award no mark
(b) continuous
ray from point to eye
accept a ray coming either from point E 1
or from the answer to (a)
straight lines to the mirrors at appropriate angles
1
reflections must be at the
surfaces of the mirrors and lines must not extend behind the mirrors
the angle between the
incident and the reflected rays should be approximately 90°
this mark may be awarded
even if the reflection from the second mirror to the eye is not given
arrow anywhere along ray pointing from tree to eye
1
(c)
any one from
· move bottom of periscope
accept ‘tilt it’ or ‘change the angle’
1
towards wall
· make it upright
· lift it higher
accept ‘move it up’
or ‘push periscope further over the wall’
accept ‘change angle of
top mirror’ or ‘change angle of mirrors
do not accept
‘move it’
[5]
18. (a)
(i) 25
000 N
if more than one box is ticked,
1
award no mark
(ii)
an arrow pointing in the opposite
direction to pull of the towrope as shown below
1
the arrow parallel to the
tugboat may be drawn anywhere on the diagram
do not accept a
horizontal arrow
(b)
(i) more
than zero but less
if more than one box is ticked,
1
than 25 000 N
award no mark
(ii)
25 000N
if more than one box is ticked,
1
award no mark
(iii)
any one from
1
· south or southwards
· in the opposite direction to the movement or pull
· away from tugboat
accept
‘opposing motion’ or ‘backwards’
[5]
19. (a)
It is between the orbit of Earth
if more than one box is ticked,
1
and the orbit of Jupiter
award no mark
accept the orbit drawn on
the diagram provided that is clearly labelled
(b)
(i) an
indication of any point
the midpoint of the planet must lie
1
within the limits shown
within the limits shown
(ii)
because the distance between Venus and the Earth changes
1
accept ‘it gets closer’
or ‘it gets
further away’ or ‘it
is at different distances
(c)
(i) an
indication of any point within the limits shown
1
the midpoint of the planet
must lie within the limits shown
(ii)
because the distance between Jupiter and the earth changes
1
accept ‘because of the
angle which Jupiter is seen from’ or ‘it gets closer’ or ‘it gets further away’ or
‘it is at different distances
do not accept
‘because of the weather or air pollution
(d)
any two from
2
· Jupiter is further from the Sun
accept ‘Jupiter is further away’ or
or Venus is closer to the Sun
‘Venus is nearer’
· Jupiter is further from the Earth
do not accept ‘it is closer or further away’
or Venus is closer to the Earth
· Jupiter’s clouds are less
accept ‘Jupiter absorbs more light’ or
reflective or Venus’s clouds are
‘Venus has a higher albedo’
more reflective
[7]
20. (a)
one mark is for storing energy
by photosynthesis; the other mark is for the formation of oil from living things
living
things use energy from
accept ‘plants and animals store
1
the Sun to grow
energy from the Sun’
oil is formed from the remains
accept ‘oil is made of dead animals
1
of living things
or plants’
(b)
(i) because
it cannot be replaced do
not accept ‘you cannot use it over
1
once it is used or because it
and over again’ or ‘it cannot be recycled’
takes a long time to form
(ii)
coal
1
natural gas
1
if more than two boxes are
ticked, deduct one mark for each incorrectly ticked box
minimum mark
zero
[5]
21.
(a) bulb X
do not accept ‘both bulbs’
1
or ‘bulb X and bulb Y’
(b)
neither or no bulb or none
1
(c)
(i) goes
out
1
(ii)
gets brighter
1
(d)
(i) gets
brighter
1
(ii) goes
out
1
[6]
22. (a)
(i)
1
the mark is for an arrow
pointing to the left as shown
the arrow may be anywhere on the diagram accept an arrow pointing to the left,
draw in the space beneath the question
(ii)
equal to
accept ‘equal’
1
(b)
(i) backwards
accept ‘in the opposite direction to the
1
movement’ or ‘in the opposite direction’
or ‘to the left’
accept an arrow drawn
pointing to the left either on the diagram, if labelled clearly, or in the space
beneath the question
(ii)
between 0 and 5000 N
if more than one box is ticked,
1
award no mark
(c) 5000 N
if more than one box is ticked
1
award no mark
[5]
23. (a)
Jupiter
1
(b)
(i)
dot at (1,150)
the dot must be vertically above 1 year
1
the label Earth is not required for the mark
the
Earth takes 1 year to
accept ‘it is 150 million km from the Sun’
1
orbit the Sun
(ii)
cross at (0.6, 110)
accept a cross on the curve between 75
1
and 125 million km from the Sun
the label Venus is not
required for the mark
(c)
Iris, because it takes longest
both the asteroid and the reason are
1
required for the mark
do not accept
‘Iris because it’s 5.51’
[5]
24. (a)
one mark is for a ray
which bends to the right when it enters the prism |
|
1 |
one mark is for a ray
which bends downwards when it leaves the prism |
|
1 |
award no marks if the lines
are not straight
(b)
(i) a
spectrum
accept ‘all the colours’
1
or ‘the colours of the rainbow’
do not accept ‘a
rainbow’ or ‘colours’
(ii)
a red spot or a red line
accept ‘red light’ or ‘red’
or ‘all the
1
colours except red would disappear’
do not accept ‘a
red screen’
(iii)
it absorbs
accept ‘it only lets red light pass’
1
or stops all the other colours
do not accept ‘it lets red light pass’
[5]
25.
(a)
the light is scattered by the ball
accept ‘it is scattered or reflected
1
or bounces off the ball'
some of the light from the ball
accept ‘it goes into or gets to her eye'
1
enters Naomi's eye
(b)
(i) colour
colour of the colour the
of ball the light
ball appears
to Naomi
white
red
red
do not accept 'pink' or ‘light red'
1
green
white
green
do not accept ‘light green'
1
(ii)
any one from
· it absorbs all the light
accept ‘it absorbs light'
1
· it does not scatter any light accept
'it does not reflect light'
1
(c)
equal to
accept 'equals' or 'the same as'
1
equal to
accept 'equals' or 'the same as'
1
(d)
one mark is for describing scattering and one mark is for describing
reflection
scattering sends or reflects
accept 'scattered light goes all over the
1
light in all directions
place' or ‘the light from the paper goes
off in lots of rays' or ‘no image can be
seen in the paper'
reflection sends light in one
accept ‘the light from the mirror
1
direction or to one point
is all in one ray or beam' or 'reflected
light goes at one exact angle’ or ‘an
image can be seen in the mirror’
[9]
26. (a)
The tension equals the weight.
if more than one box is ticked,
1
award no mark
(b)
tension is greater than weight
accept ‘tension is bigger' or 'weight
1
is less' or 'the upward force is bigger'
or 'the downward force is smaller'
(c)
tension equals weight
accept ‘they are the same'
1
(d)
tension is less than weight
accept ‘tension is less ‘or ‘weight
is more' or 'the upward force is less'
1
or ‘the downward force is bigger'
[4]