year 9 design & technology time: 2 hours...design & technology – year 9 – 2018 page 3 of...
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Design & Technology – Year 9 – 2018 Page 1 of 16
DEPARTMENT FOR CURRICULUM,
RESEARCH, INNOVATION AND LIFELONG LEARNING
Directorate for Learning and Assessment Programmes
Educational Assessment Unit
Annual Examinations for Secondary Schools 2018
Name: ________________________________ Class: _______________
--------------------------- Note to students: ----------------------------
You are required to answer all questions.
Use of calculator is allowed.
Geometry drawing instruments
are required.
Useful Formulae:
VOUT = (R2
R1+ R2) VIN
P = IV
V = IR
RT = R1+ R2+ ⋯
_____________________________________________________________
FOR TEACHERS' USE ONLY DISTRIBUTION OF MARKS
Enter student’s mark obtained in every section in the above table.
Core D&T is based on all the subject aspects; Design covers the Design aspect, and Technology covers
Materials (20-25), Systems & Control (25-30) and Graphics (5-10), within the Technology aspect of D&T.
YEAR 9 DESIGN & TECHNOLOGY TIME: 2 hours
Areas corrected Marks
for
Written
Exam
Marks
for
Design
Folio
TOTAL FINAL
MARK
Core D&T Design Technology
Max. Mark 20 25 55 100 100 200 %
Student’s
mark
Page 2 of 16 Design & Technology – Year 9 – 2018
Section A: Core D &T (20 marks)
1. Continue the sentence given below with the correct answer.
a. The circuit in Figure 1 shows two LEDs connected
together in ________________________________.
(1 mark)
b. Connecting a lead from the positive to the negative of a battery will produce
a __________________________________________________________ .
(1 mark)
c. The output voltage of the two non-rechargeable AA
batteries connected as shown in Figure 2 is ___V.
(1 mark)
2. A resistor is used in an electronic circuit to ______________ the flow of electric
current.
(1 mark)
3. In the box provided near the resistor, use the colours given below to find its
value.
(1 mark)
Green Orange Brown Gold
Ω ±5%
Figure 2 Figure 1 : Circuit
AA
AA
Figure 2 : AA Batteries
Design & Technology – Year 9 – 2018 Page 3 of 16
4. For every given statement, underline the correct word in the brackets.
a. The tennis rackets shown in Figure 3 have an
aluminium frame.
i. This metal is (ferrous / non-ferrous).
ii. Aluminium is an electric (conductor / insulator).
iii. Aluminium is (less dense / denser) than steel.
(1 mark x 3 = 3 marks)
b. The strings of the rackets are made of organic protein fibre.
i. They are made from (synthetic / natural) fibre.
ii. Their origin is from (animal / plant) sources.
(1 mark x 2 = 2 marks)
c. The hand grip of the racket is made of petroleum-based polymer.
i. The material used is (natural / synthetic).
ii. A polymer is a (metal / plastic)
(1 mark x 2 = 2 marks)
5. Complete Table 1 below by naming the following processes:
i. ii. iii.
(1 mark x 3 = 3 marks)
Figure 3 : Tennis rackets
Heater
Table 3 : Process
Page 4 of 16 Design & Technology – Year 9 – 2018
6. The racket bag shown in Figure 4 is made of denim.
a. Denim is a type of cotton woven in twill weave.
In the space provided, shade the grid to create a
twill weave.
(2 marks)
b. Name TWO types of fasteners that can be used in the construction of the
bag.
____________________________________________________________
(1 mark x 2 = 2 marks)
c. Name ONE method of how ‘my sports bag’ was applied on the bag.
____________________________________________________________
(1 mark)
Section B: Design Aspect (25 marks)
Please read the following Design Situation, which needs to be used for Section B
and C.
Figure 4 : Racket bag
In a particular tennis club, the management and attendants need an efficient way
to store and give out rackets and balls from their store room to the tennis court.
As a designer you were contacted to design a portable gadget that holds and
transports a minimum of 10 rackets and 10 balls efficiently. The management
wants several of these gadgets to be kept in the store room while not in use.
Design & Technology – Year 9 – 2018 Page 5 of 16
7. Complete the following sentence to write a Design Brief for the given situation.
Design and make __________________________________________________
________________________________________________________________
________________________________________________________________
(2 marks)
8. Mention ONE other factor that can be researched apart from measurements of
the racket and ball.
________________________________________________________________
(1 mark)
9. Give TWO reasons WHY it is important to do research before starting sketching
the ideas.
________________________________________________________________
________________________________________________________________
(1 mark x 2 = 2 marks)
10. Mention TWO sources that can be used when conducting research.
________________________________________________________________
________________________________________________________________
(½ mark x 2 = 1 mark)
Note:
The International Tennis Federation (ITF)
defines the official diameter of a tennis
ball as 68.6 mm.
The frame of the racket shall not exceed
275 mm in overall width and 697mm in
length.
Width
Length Ø
Page 6 of 16 Design & Technology – Year 9 – 2018
11. Write TWO specifications that are important to consider before starting to
generate ideas for this project.
Specifications:
(1 mark x 2 = 2 marks)
12. From the list below, underline the most suitable statement that matches the
given sentence:
When a designer sketches a new concept, one must communicate
his/her ideas with sketches that:
o include dimensions.
o have dimensions, materials to be used including colours and annotations.
o include annotations and dimensions only.
(1 mark)
13. In the space provided, and according to the given situation, sketch TWO different
ideas for the portable storage gadget wanted by the management.
Idea 1
The design must
The design must
Design & Technology – Year 9 – 2018 Page 7 of 16
Idea 2
(5 marks x 2 = 10 marks)
14. Give TWO reasons why it is important to produce a model of the artefact before
the final production.
_______________________________________________________________
_______________________________________________________________
(1 mark x 2 = 2 marks)
15. Give TWO reasons why it is important to plan ahead step by step the making
process of an artefact.
_______________________________________________________________
_______________________________________________________________
(1 mark x 2 = 2 marks)
16. Mention TWO ways how one can conduct testing of the final artefact.
_______________________________________________________________
_______________________________________________________________
(1 mark x 2 = 2 marks)
Page 8 of 16 Design & Technology – Year 9 – 2018
Section C: Technology Aspect (55 marks)
17. Underline the correct answer for the question below.
If the handle of the racket had to be made of wood, what properties should this
material have?
(1 mark)
18. Fill in Table 2 with the following words.
Ply wood needle shaped leaves plank
rod block board broad leave
(½ mark x 6 = 3 marks)
Heavy and tough Light and tough
i.
ii.
iii.
iv.
v.
vi.
Table 2 : Wood
Design & Technology – Year 9 – 2018 Page 9 of 16
19. From the given list, fill in Table 3 with the proper manufacturing method used to
produce each product.
Injection moulding Thermo bending Vacuum forming
Product Production Method
i.
ii.
iii.
(1 mark x 3 = 3 marks)
20. Complete the following paragraph by using the given keywords below.
Ferrous contain non-ferrous attracted
do not standard forms two iron
A vast range of metals exist and they fit in ___________ categories, ___________
and _____________ metals. These metals can be used to build/manufacture an
equally large range of items. Ferrous metals are metals that _________ iron and
non-ferrous metals are metals that _________ contain iron. Ferrous metals are
usually___________ to magnets because they contain _________. They can be
bought in various _____________.
(½ mark x 8 = 4marks)
Table 3 : Manufacturing Method
Page 10 of 16 Design & Technology – Year 9 – 2018
21. In the space provided mention THREE properties of plastics.
________________________________________________________________
________________________________________________________________
________________________________________________________________
(1 mark x 3 = 3 marks)
22. Match the words or word phrases on the left to the pictures or phrases on the right.
An example has been done for you.
(½ mark x 8 = 4marks)
Natural fibres
come from
Cool to wear
Knitting
Creases drop out
Hook and eye Plants animals and minerals
Silk Warm to wear
Cotton
Toggles
Measuring tape
Wool
Zipper
Design & Technology – Year 9 – 2018 Page 11 of 16
23. Below, is a cardboard packaging for a tennis ball. From the given situation in
Section B:
Sketch a ½ scale (1:2) net of this package using the dimensions given for
the ball.
In your ½ scale net, show where the holes will be. Assume that for the real
package each face must be 70mm x 70mm. The ball should not pass from
the holes.
In your drawing, show all folding lines.
Include gluing flaps.
Finally, indicate basic dimensions.
(5 marks)
Page 12 of 16 Design & Technology – Year 9 – 2018
The tennis club will be investing in a ball launcher for players to make more efficient
use of their training time. Figure 5 shows the mechanism of this ball launcher.
24. The system of the ball launcher makes use of two pulleys and belt mechanisms.
a. Circle the two pulleys and belt mechanisms on Figure 5.
(1 mark × 2 = 2 marks)
b. Write down the type of motion found in a pulley.
__________________________ (1 mark)
c. Tick whether the following parts need to move clockwise or anti-clockwise for
the launcher to function properly.
PART CLOCKWISE ANTI-CLOCKWISE
i. launching wheel 1
ii. Motor 1
iii. launching wheel 2
(1 mark × 3 = 3 marks)
Figure 5: Ball launcher mechanism
BALL IN
BALL OUT
launching
wheel 2
launching
wheel 1
Motor 1 Motor 2
+ = fixed centre
Design & Technology – Year 9 – 2018 Page 13 of 16
d. The designer of the system decided to use a toothed belt for the pulley and
belt mechanism.
i. In the space provided below, sketch the profile of a toothed belt.
(1 mark)
ii. Name TWO other type of belts which the designer could have used.
_____________________________ __________________________
(1 mark x 2 = 2marks)
25. The motor wheels have two separate controlling circuits in order to obtain
different speeds for each launching wheel. Figure 6 shows a diagram explaining
how each motor control system might work.
a. State what type of diagram is Figure 6.
__________________________ (1 mark)
b. From Figure 6, mention:
i. an output device: __________________________________
ii. a power source: __________________________________
iii. an input device: __________________________________
iv. a processing sub-system: __________________________________
(½ mark × 4 = 2 marks)
solar cells
power switch
potentiometer motor current
amplifier
Figure 6: Motor control system
Page 14 of 16 Design & Technology – Year 9 – 2018
c. Solar cells are also called photovoltaic cells.
i. Briefly explain what a photovoltaic cell is.
________________________________________________________
________________________________________________________
(1 mark)
ii. Mention ONE advantage and ONE disadvantage of using such cells for
the tennis ball launcher.
ADVANTAGE
DISADVANTAGE
(1 mark × 2 = 2 marks)
26. Figure 7 below shows the schematic diagram of the circuit for the system
explained in Figure 6.
a. On Figure 7, label a component which act as:
i. Potentiometer
ii. Current amplifier
(1 mark × 2 = 2 marks)
Figure 7: Motor control circuit
Design & Technology – Year 9 – 2018 Page 15 of 16
b. The potentiometer functions as a voltage divider.
i. In the space provided, draw the circuit of a voltage divider with two fixed
resistors. Clearly label VIN, VOUT, and the resistors.
(3 marks)
ii. Using the circuit drawn in Question b(i), calculate VOUT if VIN is 9V and
both resistors have a value of 1kΩ.
(3 marks)
iii. Calculate the power dissipated by the voltage divider described in
Question b(ii).
(3 marks)
Page 16 of 16 Design & Technology – Year 9 – 2018
c. Give the name of the configuration formed by components TR1 and TR2.
__________________________ (1 mark)
27. Figure 8 below shows a breadboard which shall be used to test the circuit shown
in Figure 7 as copied below.
a. Connect the circuit shown in Figure 7 on the breadboard by drawing the
missing components and connecting wires. TR1 and TR2 are already placed.
(3 marks)
b. When the circuit above was connected to the power supply, components TR1
and TR2 burnt out. Add a component in the circuit above (Copy of Figure 7),
to avoid this happening again.
(2 marks)
Figure 8: Breadboard
Copy of Figure 7
TR1
TR2