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Lower Secondary Science 9 End-of-year test

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CAMBRIDGE LOWER SECONDARY SCIENCE 9: END-OF-YEAR TEST
Name ___________________________________
Date _____________
Disclaimer: This test and mark scheme have been written by the authors.
End-of-year test
Questions
Biology
1
Sofia and Zara count the flowers on several different plants that all belong to the same species.
They write down their results.
a
How many plants did Sofia and Zara use in their experiment?
[1]
_______________
b Use the girls’ results to complete the results table.
Number of flowers on
a plant
1
Number of plants
2
[2]
2
Cambridge Lower Secondary Science 9 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
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CAMBRIDGE LOWER SECONDARY SCIENCE 9: END-OF-YEAR TEST
c
Use the results to complete the bar chart.
Draw the bars so that they touch each other.
Cambridge Lower Secondary Science 9 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
[3]
2
CAMBRIDGE LOWER SECONDARY SCIENCE 9: END-OF-YEAR TEST
d Which word is used to describe these differences between the plants?
Circle the correct answer.
chromosomes
2
a
selection
species
[1]
variation
Complete the word equation for photosynthesis.
carbon
dioxide
+

[3]
+
b Name the part of a plant cell in which photosynthesis takes place.
[1]
______________________________
Cambridge Lower Secondary Science 9 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
3
CAMBRIDGE LOWER SECONDARY SCIENCE 9: END-OF-YEAR TEST
3
Draw one line from each word to its description.
Words
[4]
Descriptions
a structure made of DNA that
contains genes
gamete
to do with the kidneys
chromosome
the passing on of genes from
parents to offspring
extinction
complete disappearance of a
species for ever
renal
a sex cell, for example an egg
or a sperm
the tissue in which water is
transported in plants
Cambridge Lower Secondary Science 9 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
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CAMBRIDGE LOWER SECONDARY SCIENCE 9: END-OF-YEAR TEST
Chemistry
4
When the metal magnesium is placed in a test tube with nitric acid, it reacts to form the salt
magnesium nitrate.
Why is it not possible to make copper nitrate by adding copper metal to nitric acid?
[1]
_______________________________________________________________________________
5
To make a solution of the salt potassium nitrate by neutralisation:
a
Which acid would you need to use?
[1]
____________________________________________________________________________
b List the equipment would you need to use.
[1]
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
c
What are the risks involved with this process and how would you try to overcome them?
[2]
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
6
In the investigation shown, the rate of reaction is found by measuring the volume
of gas given off every 30 seconds.
a
What is the name of the gas?
[1]
_______________________________________________________________________________
Cambridge Lower Secondary Science 9 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
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CAMBRIDGE LOWER SECONDARY SCIENCE 9: END-OF-YEAR TEST
b Use these results to plot a graph to show how the rate of reaction changes during the
course of this reaction.
Time in s
c
[4]
Total volume gas
produced in cm3
130
10
130
16
160
34
190
48
120
56
150
74
180
82
210
83
240
83
Identify any result that does not fit the pattern.
[1]
____________________________________________________________________________
7
Which of the following would increase the rate of reaction?
[2]
Tick (✓) two boxes.
Using the calcium carbonate as a powder.
Using the calcium carbonate as large pieces.
Using a more dilute acid.
Placing the flask of calcium carbonate and acid in a water bath at 50 °C.
Cambridge Lower Secondary Science 9 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
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CAMBRIDGE LOWER SECONDARY SCIENCE 9: END-OF-YEAR TEST
8
Draw a labelled diagram of the atomic structure of lithium. The atomic number is
3 and the mass number is 7.
Cambridge Lower Secondary Science 9 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
[2]
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CAMBRIDGE LOWER SECONDARY SCIENCE 9: END-OF-YEAR TEST
Physics
9
Nitrogen is a gas.
Use this information to explain why:
a
nitrogen is less dense than copper
[2]
____________________________________________________________________________
____________________________________________________________________________
b bubbles of nitrogen in water move upwards through water.
[2]
____________________________________________________________________________
____________________________________________________________________________
10 The diagram shows a waveform.
Each square on the grid represents 1 cm × 1 cm.
a
State the amplitude of this waveform.
[1]
______________________________ cm
b The waveform in the diagram is caused by a sound wave.
The sound changes to have higher pitch.
The loudness of the sound does not change.
How will this waveform change?
[1]
Tick (✓) one box.
Only the height of the waveform will increase.
Only the number of waves on the grid will decrease.
More waves will be seen on the grid and the height will increase.
More waves will be seen on the grid but the height will not change.
Cambridge Lower Secondary Science 9 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
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CAMBRIDGE LOWER SECONDARY SCIENCE 9: END-OF-YEAR TEST
11 The table shows the names of some components and some of their circuit symbols.
Name
Circuit symbol
variable resistor
fixed resistor
a
Complete the table with the missing names and circuit symbols.
[2]
b A variable resistor is connected in series with a lamp.
Write true or false for each of these statements.
[1]
The variable resistor can be used to change the current through the lamp: _______________
The variable resistor can be used to change the brightness of the lamp: _______________
12 Look at the circuit diagram.
Which statement is correct about the current through each lamp.
[1]
Tick (✓) one box.
current through L1 + current through L2 = current through L3
current through L1 + current through L3 = current through L2
current through L2 + current through L3 = current through L1
current through L1 = current through L2 = current through L3
Cambridge Lower Secondary Science 9 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
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CAMBRIDGE LOWER SECONDARY SCIENCE 9: END-OF-YEAR TEST
13 The circuit in the diagram contains a lamp and buzzer.
a
Make one copy of the circuit diagram in the space below and add:
• a meter to measure the current in the circuit
• a meter to measure the voltage across the lamp
[2]
b State the effect of adding another lamp in series on:
i
the current in the circuit
[1]
_________________________________________________________________________
ii
the voltage across the buzzer
[1]
_________________________________________________________________________
iii the brightness of the original lamp
[1]
_________________________________________________________________________
Cambridge Lower Secondary Science 9 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
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