45 minutes
Science Paper 1 For Teacher's Use
Page Mark
1
Stage 8 2
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4
Name ………………………………………………….……………………….
5
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Additional materials: Ruler
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READ THESE INSTRUCTIONS FIRST
8
Answer all questions in the spaces provided on the question paper.
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You should show all your working on the question paper. 10
The number of marks is given in brackets [ ] at the end of each question 11
or part question.
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The total number of marks for this paper is 50. 13
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Total
V1
2
1 The elements in the periodic table have different chemical symbols. For
Teacher's
Use
Draw lines to connect the element to its chemical symbol.
element chemical symbol
aluminium K
argon Ca
potassium C
calcium Ar
carbon Al
[3]
© UCLES 2011 P110/01/A/M/11
3
2 Sound waves can be seen on an oscilloscope trace. For
Teacher's
Use
time
wave A
time
wave B
time
wave C
time
wave D
(a) Which wave has the highest pitch?
[1]
(b) (i) Which wave is the loudest?
[1]
(ii) Which property of the wave makes it the loudest?
Underline the answer from the list.
low amplitude
high amplitude
low frequency
high frequency
[1]
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4
3 Akio eats some peanuts. For
Teacher's
Use
(a) He looks at the back of this peanut packet.
It shows some of the nutrients found in 100 g of peanuts.
100 g of peanuts contains
protein 24.8g
fat 50.2 g
(i) These two nutrients do not add up to 100 g.
Name one other nutrient group found in peanuts.
[1]
(ii) Peanuts are a good source of protein.
What is the main use of protein in the body?
[1]
(iii) Protein is a large complex molecule.
It must be broken down into simpler chemicals.
Where in the body is protein broken down?
[1]
© UCLES 2011 P110/01/A/M/11
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(b) Akio looks at the other information on the packet. For
Teacher's
Use
100 g of peanuts contains
percentage
of GDA
energy 2375 kJ 29%
protein 24.8g 46%
fat 50.2 g 167%
iron 1.0 mg 12%
The GDA is the Guideline Daily Amount.
(i) Akio must be careful about the amount of peanuts he eats each day.
Give two reasons why.
2 [2]
(ii) Iron is essential for human health.
Name one other food rich in iron.
[1]
(iii) What is the main effect of iron deficiency?
[1]
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6
4 White light can be split into the visible spectrum. For
Teacher's
Use
red light
white light
visible spectrum
violet light
(a) What word describes the splitting of white light into different colours?
Underline the answer from the list.
absorption
dispersion
reflection
refraction
subtraction
[1]
© UCLES 2011 P110/01/A/M/11
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(b) The white light is split into colours. For
Teacher's
Use
Put the colours in the correct order as they appear in the visible spectrum.
The first three have been done for you.
colour order
orange 2
green
red 1
yellow 3
blue
violet
indigo
[2]
(c) In the diagram, a prism is used to split the white light into different colours.
Name something else that can split white light.
[1]
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10
6 Amrit investigates the enzyme amylase. For
Teacher's
Use
She already knows these facts.
The enzyme amylase breaks down starch in the mouth.
The pH in the mouth is 7.
Iodine solution is very dark blue when there is starch.
Iodine solution is yellow when there is no starch.
(a) She uses this apparatus.
acid acid water alkali alkali
pH3 pH5 pH7 pH9 pH11
iodine
starch amylase stopwatch measuring
solution solution cylinder
(i) At which pH do you predict the enzyme amylase will work best?
[1]
© UCLES 2011 P110/01/A/M/11
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(ii) Amrit wants to check her prediction by doing an investigation. For
Teacher's
Use
Some variables need to be kept the same and some need to be changed.
Tick (!) the variables she needs to keep the same.
variable
volume of starch added
pH of the solution
temperature of the solution
volume of amylase added
[1]
(iii) Amrit wants to control risks when carrying out this investigation.
Suggest one way she could make sure she is safe.
[1]
(b) Amrit writes her results in a table.
pH result
3 stays dark blue
5 changes from dark blue to yellow very slowly
7 changes from dark blue to yellow very quickly
9 changes from dark blue to yellow very slowly
11 stays dark blue
(i) What conclusions can you draw from Amrit’s results?
[2]
(ii) Suggest two different ways to improve Amrit’s investigation.
2 [2]
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13
8 Francesco makes shapes with his hands. For
Teacher's
Use
He shines a light behind them.
This makes a shadow on a screen.
shadow on
screen
hand
torch
Francesco wants to change the size of the shadow.
(a) (i) One way he could change the size of the shadow is to use someone
with smaller hands.
Predict what happens to the size of the shadow.
[1]
(ii) Suggest two other ways he could change the size of the shadow.
2 [2]
(b) Francesco wants to measure the size of the different shadows formed.
What measurements should he make and what apparatus should he use?
Measurement
Apparatus [1]
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16
11 The growth rates of babies are checked regularly using growth charts. For
Teacher's
Use
105
95
85
75
height / cm
65
55
45
4 8 12 16 20 24 28 32 36
0
age / months
(a) This growth chart measures the height of a healthy baby boy.
What other measurement of the baby boy could be used to draw a growth chart?
[1]
(b) Why is it important that doctors use growth charts?
[1]
(c) A baby boy was 55 cm at birth.
He has a poor diet and is malnourished (is not fed enough).
Draw a line on the growth chart to show the growth of this baby boy.
[1]
© UCLES 2011 P110/01/A/M/11
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12 Chemicals can be elements or compounds. For
Teacher's
Use
Tick (!) the box to show which chemicals are elements and which chemicals are
compounds.
The first one has been done for you.
chemical (formulae) element compound
water (H2O) !
carbon dioxide (CO2)
hydrogen (H2)
helium (He)
magnesium (Mg)
[2]
© UCLES 2011 P110/01/A/M/11 [Turn over
