2
1
The following question is about cells.
(a)
Match the part of a cell with its correct function.
part of a cell
function
chloroplast
contains genetic information
vacuole
provides energy to the cell
nucleus
contains nutrition for future use
conducts photosynthesis
[3]
(b)
Bill wanted to check a plant cell using a microscope.
Following is a diagram of a microscope.
X
<
-
Label parts X and Y in the diagram
X: …………………………………………………………………………………
Y: …………………………………………………………………………………
(c)
[2]
State the function of the mirror at the base.
……………………………………………………………………………………
Year 7 – Science Paper 2 – Term 2 Summative Assessment 2023/2024
[1]
3
2
Look at the following diagram.
(a)
Draw a diagram representing the particles of the water in the ocean.
[1]
(b)
Explain why liquid cannot be compressed.
……………………………………………………………………………………
(c)
[1]
Water is a compound that is made of hydrogen and oxygen
Write the chemical formula of water.
……………………………………………………………………………………
Year 7 – Science Paper 2 – Term 2 Summative Assessment 2023/2024
[1]
4
(d)
Compounds are made of two or more types of atoms combined together.
Complete the table below by writing the name of the compound or formula
of the compound.
compound name
formula
calcium oxide
sulfuric acid
NO2
KOH
aluminium chloride
HCl
[3]
Year 7 – Science Paper 2 – Term 2 Summative Assessment 2023/2024
5
3
Moana collects some information about the gravity of each planet in the solar
system and their speed of orbit.
She got the following result
(a)
planet
gravity (Earth =1)
speed of orbit (km/s)
Mercury
0.4
4.3
Venus
0.9
3.5
Earth
1.0
3.8
Mars
0.4
3.4
Jupiter
2.4
4.7
Saturn
0.9
9.0
Uranus
0.9
6.8
Neptune
1.1
5.4
Write the name of the planet that has the highest speed of orbit.
……………………………………………………………………………………
(b)
[1]
Suggest the conclusion for the relationship between gravity of the planet
and speed of orbit.
Include information from the table.
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
(c)
Tide happens because of the gravitational pull from the moon and the
sun.
Year 7 – Science Paper 2 – Term 2 Summative Assessment 2023/2024
[2]
6
At a harbour during high tide at 6 am, the ships start sailing. During low
tide the harbour has too little water for the ship to use the place. Circle the
time when the ship should not come back to the harbour.
11 am same day
6 pm same day
6 am next day
5 pm next
day
(d)
[1]
Draw the position of the Sun, the Moon and the Earth during a spring tide.
Label the diagram and show the tidal bulge
[2]
Year 7 – Science Paper 2 – Term 2 Summative Assessment 2023/2024
7
4
Jubilee conducted an experiment to investigate the relationship between the
length of stretched elastic band and the distance it travels when released. He
conducted three trials for each length of stretched elastic band, which were
5cm, 7cm, 9cm, and 11cm.
The table shows the data
length of
stretched
elastic band
(cm)
distance
traveled (cm)
- experiment
1
distance
traveled (cm)
- experiment
2
distance
traveled (cm)
- experiment
3
5
64
32
66
7
93
100
98
97
9
167
188
167
174
11
210
210
235
218
(a)
average
distance
traveled (cm)
Complete the above table to find the average distance covered for the first
elastic band.
……………………………………………………………………………………
(b)
[1]
State the independent variable in this experiment.
……………………………………………………………………………………
Year 7 – Science Paper 2 – Term 2 Summative Assessment 2023/2024
[1]
8
(c)
Draw a line graph to show the relationship between the length of the
elastic band and average distance travelled.
[3]
(d)
What pattern or trend do you observe in the average distance traveled as
the length of the stretched elastic band increases?
……………………………………………………………………………………
(e)
[1]
Discuss one source of error that may have affected the accuracy of the
results.
……………………………………………………………………………………
Year 7 – Science Paper 2 – Term 2 Summative Assessment 2023/2024
[1]
9
(f)
Explain why Jubilee repeated the experiment three times for each length?
……………………………………………………………………………………
5
[1]
The following question is about energy transfer.
(a)
A light source transfers 50 J of energy into 20 J of light and some heat
energy.
Calculate how much energy is transferred at heat energy.
[1]
(b)
Draw an energy diagram to show the transfer of energy
[2]
(c)
From the above information, is it possible to conclude that the light source
wastes most of its energy?
Explain your answer
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
Year 7 – Science Paper 2 – Term 2 Summative Assessment 2023/2024
[3]
10
6
Year 7 investigates conductors and insulators using an electric circuit.
They tested various substances for the experiment.
(a)
Draw a circuit diagram to show the setting for the investigation
[3]
(b)
The students got the following results
object
conductor
metal spoon
yes
graphite
yes
wooden spoon
no
plastic bag
no
Describe why metal spoon and graphite conducts electricity?
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
(c)
[2]
Write the term that describes substances like wooden spoons that don’t
conduct electricity.
……………………………………………………………………………………
Year 7 – Science Paper 2 – Term 2 Summative Assessment 2023/2024
[1]
11
(d)
Complete the following sentence.
When
an
electric
switch
……………………………….
is
energy
turned
from
on
the
for
wire
a
fan,
the
transfers
into
………………………………. energy and ………………………….. energy
Year 7 – Science Paper 2 – Term 2 Summative Assessment 2023/2024
[2]
12
7
Look at the following diagram
(a)
Identify the mixture, compound and element
Mixture: …………………………………………………………………………..
Compound: ……………………………………………………………………….
Element: ………………………………………………………………………….. [2]
(b)
Levi and Jamie are doing an experiment to separate chalk powder, salt
and water. The students must separate all three and collect them.
Name the separation techniques to be used to separate this mixture.
……………………………………………………………………………………
(c)
[1]
Look at the following diagram.
Label the apparatus A, and B in the diagram
Year 7 – Science Paper 2 – Term 2 Summative Assessment 2023/2024
[2]
13
(d)
The students also checked the pH of the mixture and the separated water
before and after the separation.
Predict if there would be any change in pH of the solution before and
after the separation
Explain your answer.
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
(e)
[2]
suggest one way for the students to check if the indicator works properly
……………………………………………………………………………………
……………………………………………………………………………………
(f)
[2]
Name one indicator that can be used to do this experiment.
……………………………………………………………………………………
……………………………………………………………………………………
Year 7 – Science Paper 2 – Term 2 Summative Assessment 2023/2024
[2]