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KS3 Science T3-6_Paper1_Cover 17/2/04 7:58 am Page fci
Sc Science test
KEY STAGE
3 Paper 1
TIER
3–6
2004 Please read this page, but do not open the booklet until your
teacher tells you to start. Write your name and the name of
your school in the spaces below.
First name
Last name
School
Remember
■ The test is 1 hour long.
■ You will need: pen, pencil, rubber, ruler, protractor and
calculator.
■ The test starts with easier questions.
■ Try to answer all of the questions.
■ The number of marks available for each question is given
below the mark boxes in the margin. You should not write
in this margin.
■ Do not use any rough paper.
■ Check your work carefully.
■ Ask your teacher if you are not sure what to do.
For marker’s
Total marks
use only
QCA/04/1208
KS3 Science T3-6_Paper1_pp02_19 17/2/04 7:58 am Page 2
1. The diagram shows two families. Some of the people in the diagram have
freckles.
family A family B
grandparents
Bob married to Emily John married to Mary
parents
Rachel married to Bill Pam married to David
children Richard Penny Simon Becca Katie
key
person with
and freckles
person without
and
freckles
(a) (i) Which children are most likely to have freckles?
Tick the correct boxes.
Richard Simon Katie Penny Becca
1ai
1 mark
(ii) How did you decide?
1aii
1 mark
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KS3 Science T3-6_Paper1_pp02_19 17/2/04 7:58 am Page 3
(iii) Suggest why Bill does not have freckles.
1aiii
1 mark
(b) (i) Which two cells pass on information from parents to their children?
Tick the two correct boxes.
bone cell cheek cell
egg cell muscle cell
red blood cell sperm cell 1bi
1 mark
(ii) Which organ system produces these two cells?
Tick the correct box.
circulatory system
digestive system
reproductive system
respiratory system 1bii
1 mark
maximum 5 marks
Total
KS3/04/Sc/Tier 3–6/P1 3
5
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2. John and Sarah investigated how pupils in their class were the same and different.
First they measured the length of each pupil’s little finger.
(a) Why should each pupil keep their little finger straight while it was
being measured?
2a
1 mark
(b) The bar chart shows their results.
bar chart for investigation 1
12
10
8
number
of pupils 6
4
2
0
50-55 56-60 61-65 65-70 65-75
2bi
1 mark
length of little finger (.............)
(i) On the dotted line under the bar chart, give the units of measurement
they used.
(ii) Give one mistake they made in the way they grouped the finger
lengths in their bar chart.
2bii
1 mark
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(c) John and Sarah then counted the number of pupils who can and
cannot roll their tongues.
What method did they use to collect their data?
Tick the correct box.
Observe pupils’ Look at books.
tongues.
Identify factors to keep Measure pupils’ 2c
the same. tongues.
1 mark
(d) They recorded their results in a table.
Draw a bar on the chart below to show how many pupils can roll
their tongues.
bar chart for investigation 2
12
10
number 8
of 6
pupils
4
2
2d
0
can roll cannot roll 1 mark
tongue tongue
(e) Look at their bar charts for investigations 1 and 2.
How can you tell that they used different numbers of pupils in
each investigation?
2e
1 mark
maximum 6 marks
Total
KS3/04/Sc/Tier 3–6/P1 5
6
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3. The diagram shows some of the organs of the human body.
brain
lung
heart
liver
intestine
(a) The heart pumps blood around the body.
(i) What useful gas does the blood take in from the air in the lungs?
3ai
1 mark
(ii) What useful substance does the blood take in from the intestine?
3aii
1 mark
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(b) Blood vessels carry blood to organs of the body.
Sometimes a blood clot forms in a blood vessel as shown below.
direction of blood
blood clot
red blood cell
a blood vessel not to scale
A blood clot may stop an organ working properly.
Give one reason for this.
3b
1 mark
(c) Rahma cut his foot on a piece of glass. A scab formed over the cut.
Give one way a scab protects the body.
3c
1 mark
maximum 4 marks
Total
KS3/04/Sc/Tier 3–6/P1 7
4
KS3 Science T3-6_Paper1_pp02_19 17/2/04 7:58 am Page 8
4. A meteorite landed on Earth. It contained a new element.
Scientists called the element jovium.
(a) The list below shows some properties of jovium.
Which two properties suggest that jovium could be a metal?
Tick two boxes.
It has a high melting point.
It does not stick to a magnet.
It is a blue solid.
4a It is a good conductor of heat and electricity.
1 mark
4a It glows in the dark.
1 mark
KS3/04/Sc/Tier 3–6/P1 8
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(b) A scientist put a piece of the meteorite in water and stirred it.
This produced a blue solution with tiny, solid, black particles in it.
He separated the black particles from the blue solution using the
apparatus below.
(i) Give the name of this method of separation.
4bi
1 mark
mixture of black particles
and blue solution
flask
(ii) The diagram below shows the results.
What do the labels A and B show? Write your answers on the lines.
4bii
A
1 mark
flask
4bii
B
1 mark
(c) The scientist poured the contents of the flask into a dish.
Two days later there were blue crystals in the dish, but no liquid.
blue crystals
at the start two days later
What happened to the liquid in the dish?
4c
1 mark
maximum 6 marks
Total
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6
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5. The diagram below shows part of the human ear.
eardrum
wax
We can hear somebody speaking because sound waves enter our ears.
(a) (i) What do our eardrums do when sound waves reach them?
5ai
1 mark
(ii) Sometimes a lot of wax is produced in the ear.
The wax rests against the eardrum, as shown above.
Give one reason why we cannot hear very well when our ears
contain a lot of wax.
5aii
1 mark
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(b) The table below shows the lowest and highest frequencies that five
living things can hear.
living lowest frequency highest frequency
thing (Hz) (Hz)
human 20 20 000
sparrow 300 20 000
dog 20 45 000
cat 20 64 000
rabbit 300 42 000
(i) Which three living things from the table cannot hear a frequency of
43 000 Hz?
5bi
__________________ and __________________ and
1 mark
(ii) From the table, choose the living thing that can hear the biggest
range of frequencies.
5bii
1 mark
maximum 4 marks
Total
KS3/04/Sc/Tier 3–6/P1 11
4
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6. Tea bags are made in different shapes.
triangle square circle
Some pupils want to find out which shape of tea bag lets tea dissolve
most quickly.
They make two plans for their investigation as shown below.
(a) How is the second plan better than the first plan?
6a
1 mark
(b) Why should they take care when they add hot water at 65ºC to the
tea bags?
6b
1 mark
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(c) Ben and Vicky drew a cross on some paper. They put each beaker,
in turn, over the cross. They poured hot water into the beaker, dropped
in the tea bag and watched the water change colour.
To see which shape of tea bag let the tea dissolve the quickest, they
measured the time until the liquid was too dark for them to see the cross.
How did the cross help to make their test more accurate?
6c
1 mark
(d) (i) They recorded their measurements in a table as shown below.
time taken until cross
shape of tea bag
cannot be seen (minutes)
triangle 8
square 15
circle 10
Which part of their investigation was recorded in the table?
Tick the correct box.
explanations results
conclusions plans 6di
1 mark
(ii) Give the three shapes of tea bags in the order in which the tea dissolved.
Use the table above to help you.
6dii
quickest _________________ _________________ _________________ slowest
1 mark
maximum 5 marks
Total
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5
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7. (a) The drawing below shows the parts of a torch.
switch
contact
switch
bulb
switch
– contact
+
battery
+
plastic case –
(i) Paul closed the switch.
Why did this turn on the torch?
7ai
1 mark
(ii) The diagrams below show symbols for a battery, a bulb and a switch.
Connect the symbols to make a series circuit for the torch.
bulb
battery
7aii
1 mark
switch
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(b) The drawings below show two other torches. In both torches, the bulbs
will not light even when Paul closes the switches.

+ + +
torch A torch B
+
– – –
Look carefully at the drawings.
(i) Why is the circuit of torch A not complete?
7bi
1 mark
(ii) What could you do to torch B to get the bulb to light?
7bii
1 mark
(c) When Paul bought his torch there was a paper strip between the
contacts of the switch as shown below.

+ paper strip
+

Paul had to remove the paper strip before he could turn the torch on.
Give the reason for this.
7c
1 mark
maximum 5 marks
Total
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5
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8. A compass needle is a small magnet with a North pole, N, and a South pole, S.
Ruth placed two compasses onto a piece of card.
Both compass needles pointed in the direction shown below.
card
compass
compass
needle
(a) Ruth placed a bar magnet with its South pole between the two compasses.
The compass needles moved as shown below.
On the diagram below, label the North pole and South pole of each
compass needle.
Use the letters N and S.
bar magnet
8a
1 mark
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(b) Ruth turned the bar magnet round so that the North pole was between
the two compasses.
On the diagram below, label the North pole and South pole of each
compass needle now.
Use the letters N and S.
bar magnet
8b
1 mark
(c) Ruth repeated her experiment with an aluminium bar instead of a
bar magnet.
What happened to the compass needles?
8c
1 mark
maximum 3 marks
Total
KS3/04/Sc/Tier 3–6/P1 17
3
KS3 Science T3-6_Paper1_pp02_19 17/2/04 7:58 am Page 18
9. The diagram below shows the Earth, the Sun, the Moon and an artificial satellite.
artificial
satellite
B
A
C
not to scale
(a) Which letters, on the diagram, show the Earth, the Sun and the Moon?
9a
the Earth
1 mark
the Sun
9a
the Moon
1 mark
(b) Give one use of a satellite.
9b
1 mark
(c) Which of the following is a source of light?
Tick the correct box.
the Earth the Moon
9c
the Sun a satellite
1 mark
KS3/04/Sc/Tier 3–6/P1 18
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(d) The curve shows the path of the Sun in the sky from sunrise to sunset
in England one day in summer.
1.00 pm
B
East West
C
sunrise sunset
5.00 am 9.00 pm
in summer in summer
(i) On the curve, mark the position of the Sun at 9.00 am. 9di
Label this point A.
1 mark
(ii) The Sun seemed to move from point B to point C.
How many hours did this take?
Tick the correct box.
2 hours 6 hours
4 hours 8 hours 9dii
1 mark
(e) On the diagram above, draw the path of the Sun from sunrise to sunset 9e
on a day in winter.
1 mark
maximum 7 marks
Total
KS3/04/Sc/Tier 3–6/P1 19
7
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10. (a) The graph below shows how the concentration of alcohol in a person’s
blood changed after drinking alcoholic drinks.
140
120
100
concentration
of alcohol 80
in the blood
(mg/100 cm3) 60
40
20
0
0 1 2 3 4 5 6
time after drinking (hours)
It is illegal to drive if the concentration of alcohol in the blood is higher
than 80 mg/100 cm3.
Use the graph to find out how long the concentration of alcohol in this
person’s blood was higher than 80 mg/100 cm3.
10a
hours
1 mark
(b) Why does alcohol in the blood increase the chance of having an accident?
Tick the correct box.
It causes slurred speech. It dulls the senses of
taste and smell.
10b
It increases the size It increases the time
of the pupil in the eye. taken to react.
1 mark
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(c) Alcohol is absorbed into the bloodstream from the stomach.
Digested food is absorbed into the blood from a different part of the
digestive system.
Give the name of this part.
10c
1 mark
(d) Give the name of one organ that is damaged by drinking a lot of
alcohol over a long period of time.
10d
1 mark
(e) The drawing below shows a foetus in its mother’s uterus.
blood vessels
in the umbilical cord
If a pregnant woman drinks large quantities of alcohol, the blood vessels
in the umbilical cord may get very narrow for a while.
Give one way this could affect the foetus.
10e
1 mark
maximum 5 marks
Total
KS3/04/Sc/Tier 3–6/P1 21
5
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11. Harry investigated the effects of fizzy cola drink on his heart rate.
First he measured his heart rate every minute for 5 minutes when sitting down.
Then he drank some cola.
He continued to measure his heart rate at regular intervals.
This is a graph of his results.
110
100
90
x x
80
x x x x x x x x
x x x
x x
70 x x x x x x
heart rate 60
(beats
per minute) 50
40
30
20
10
0
0 2 4 6 8 10 12 14 16 18 20 22
time (minutes)
(a) Why did Harry measure his heart rate every minute for 5 minutes
before drinking his cola?
11a
1 mark
(b) Harry says cola affects his heart rate.
What evidence is there in the graph to support his idea that cola affects
his heart rate?
11b
1 mark
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(c) Harry and Yasmin came to the following conclusions.
Harry Yasmin
Explain why Yasmin’s conclusion is better than Harry’s conclusion.
11c
1 mark
(d) Yasmin said, “We should also measure Harry’s heart rate after he
drinks fizzy water”.
How would measuring Harry’s heart rate after he drinks fizzy water
improve the investigation?
11d
1 mark
maximum 4 marks
Total
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12. (a) Plants need nitrogen compounds for growth.
Give the name of the type of plant cell that absorbs water and
nitrogen compounds from the soil.
12a
1 mark
(b) The photograph shows a pitcher plant.
Pitcher plants get nitrogen compounds from insects.
They digest insects in leaves shaped like containers called pitchers.
pitcher
In the bottom of the pitcher there is a liquid. Insects a


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