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: V OUT = ( R 2 R 1 + R 2 ) V IN P = IV V = IR R T = R 1 + R 2 + _____________________________________________________________ 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

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Page 1: YEAR 9 DESIGN & TECHNOLOGY TIME: 2 hours...Design & Technology – Year 9 – 2018 Page 3 of 16 4. For every given statement, underline the correct word in the brackets. a. The tennis

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: YEAR 9 DESIGN & TECHNOLOGY TIME: 2 hours...Design & Technology – Year 9 – 2018 Page 3 of 16 4. For every given statement, underline the correct word in the brackets. a. The tennis

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

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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

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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.

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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

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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

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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)

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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

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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

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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

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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)

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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

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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

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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

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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)

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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