Technology Grade 7 November 2021 Question Paper

Bedfordview Primary School YEAR END TEST Name: Grade: Subject: TECHNOLOGY Examiner: MRS T. NAIDOO Date: _______________ Moderator: MR S. VISSER Time Allocation: 1 HOUR 1 2 3 4 5 6 7 % 0 – 29% 30 – 39% 40 – 49% 50 – 59% 60 – 69% 70 – 79% 80 – 100% 60 INSTRUCTIONS 1. An extra 10 minutes will be provided for reading. 2. Write neatly and legibly. 3. Answer in the spaces provided. 4. This paper consists of 8 pages. Question Analysis SECTION A SECTION B SECTION C TOTAL [30] [18] [12] Question 1 2 3 4 5 6 7 8 9 Maximum 10 4 6 6 4 6 6 6 12 60 mark Learner’s mark Moderated mark SECTION A DESIGN PROCESS SKILLS & GRAPHIC COMMUNICATION [30 MARKS] QUESTION 1: Read the following scenario and answer the questions that follow Floods in Cape Agulhas, South Africa, May 2021. Photo credit: A Struisbaai resident, via Cape Agulhas Municipality 1 | BEDFORDVIEW PRIMARY SCHOOL TECHNOLOGY PAGE TOTAL:

Areas of Overberg district have suffered some of the worst of the flooding. Around 90 mm of rain fell in Cape Agulhas in 24 hours to 06 May 2021, while 122 mm fell in Struisbaai during the same period. Several people were evacuated from their homes in Cape Agulhas municipality of the district. One person was reported missing at Stormsvlei, where several people had to be rescued from flooded homes and vehicles. Other rescues were carried out in Riviersonderend. The Minister of Local Government, Environmental Affairs and Development Planning, Anton Bredell says evacuations are being done of homes in the affected areas and rescue teams have been deployed to the area to assist. Design and make a model of an emergency shelter for the flood victims. The shelter must be lightweight, safe and sturdy, and must be large enough to house a family of six for a month. They must be easy to transport and to assemble and waterproofed. Due to Covid 19 regulations, you are expected to work alone and bring your own tools and materials. 1.1 What is the problem in the above scenario that has made people in the community unhappy? (2) _____________________________________________________________________________ _____________________________________________________________________________ 1.2 How are you going to solve the problem? (Write a design brief) (2) _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 1.3 List five specifications needed for your solution. (5) 1.3.1_________________________________________________________________________ 1.3.2_________________________________________________________________________ 1.3.3_________________________________________________________________________ 1.3.4_________________________________________________________________________ 1.3.5_________________________________________________________________________ 1.4 List a constraint (limitation) for your solution. (1) 1.4.1 ________________________________________________________________________ 2 | BEDFORDVIEW PRIMARY SCHOOL TECHNOLOGY PAGE TOTAL:

QUESTION 2: Sketch a 2D drawing of your proposed shelter design. Marks will be awarded for creativity and innovation. Use the rubric provided as a guide. Assessment criteria for freehand sketch Criteria Possible Marks marks obtained An appropriate 1 solution to the given problem Accuracy (2D) 1 One face Innovation and 1 creativity Idea is free hand ruler 1 and other drawing instruments not used) TOTAL 4 QUESTION 3: Vanishing Point Draw a single vanishing point perspective of the town hall drawing below where some of the victims were housed for a short while after being rescued. (6) X Assessment Criteria Criteria Possible Marks marks obtained Correct 2 technique used and labelled VP All 3 construction lines are evident. Vertical and horizontal lines are correct Neatness 1 TOTAL 6 QUESTION 4: Investigate emergency situations and Emergency food (6) 3 | BEDFORDVIEW PRIMARY SCHOOL TECHNOLOGY PAGE TOTAL:

4.1 Are the flood victims from the scenario called refugees or are they internally displaced citizens? Motivate your answer. 2 _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 4.2 What would you consider as the flood victim’s two basic needs after they have been rescued? 2 _____________________________________________________________________________ _____________________________________________________________________________ 4.3 Suggest two types of emergency food that are both nutritious and convenient and would suit the needs of the flood victims during their stay in the Town hall. 2 _____________________________________________________________________________ _____________________________________________________________________________ QUESTION 5: Investigate clothing worn by the NSRI (National Sea rescue institute) emergency workers (4) 5.1 The NSRI emergency workers need to be equipped to handle the cold turbulent waters while rescuing the flood victims. Provide two examples of emergency clothing that they will wear during the rescue operation. 2 _____________________________________________________________________________ _____________________________________________________________________________ 5.2 How are wetsuits designed to help the rescue workers? Name the special fabric that is used in these wetsuits? 2 _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 4 | BEDFORDVIEW PRIMARY SCHOOL TECHNOLOGY PAGE TOTAL:

SECTION B TECHNICAL KNOWLEDGE AND UNDERSTANDING [18 MARKS] QUESTION 6: Match column A with column B. Write only the letter representing the correct answer in column C. Column A Column B Column C A. Consists of both a fixed 6.1 Mechanical advantage pulley and a moveable pulley 6.1. ________ 6.2 Solenoid B.A drum like device that can wind up or coil cable or unwind 6.2 _________ to release tension C. The ability to do more work 6.3 Fulcrum 6.3. _________ with less effort D.A turning point or pivot point 6.4 Moveable pulley of a lever 6.4. _________ E. A cylindrical coil of wire 6.5 Compound pulley acting as a magnet when 6.5. _________ carrying electrical current 6.6 Winch F. Moves with the load and reduces the amount of input 6.6 _________ force to lift a load (6) QUESTION 7 Mechanical systems Complete the table below 12= (6) 2 Name the mechanism How can this mechanism Mechanism indicated by the arrow, and affect mechanical advantage? (Moving part) type of input movement required in each case 7.1 7.1.1 7.1.2 Name: _________________ _________________________ Type of movement _________________________ _______________________ _________________________ 7.2 7.2.1 7.2.2 Name: __________________________ _______________________ Type of movement _________________________ _______________________ _________________________ 7.3 7.3.1 7.3.2 5 | BEDFORDVIEW PRIMARY SCHOOL TECHNOLOGY PAGE TOTAL:

Name: __________________________ _______________________ Type of movement __________________________ _______________________ __________________________ 7.4 7.4.1 7.4.2 Name: __________________________ _______________________ __________________________ Type of movement __________________________ _______________________ QUESTION 8: Electrical Components (6) Complete the table below. Name the electrical symbol and label it as an input or output device Electrical symbol The electrical component 8.1 Name: ____________________________________ Input or output device: ______________________________ 8.2 Name____________________________________ Input or output device: ______________________________ 9.3 Name_____________________________________ Input or output device: ______________________________ 6 | BEDFORDVIEW PRIMARY SCHOOL TECHNOLOGY PAGE TOTAL:

SECTION C: IMPACT OF TECHNOLOGY ON SOCIETY AND THE ENVIRONMENT QUESTION 9: Read the case study below and answer the questions that follow. [12 MARKS] Disasters such as floods and wars happen suddenly, which means that people must leave their homes quickly. These refugees will not have a lot of food and water with them. They will also not have tools or materials to build shelters. Emergencies that happen more slowly over longer periods of time include droughts, or long wars. Refugees in situations like these have a bit more time to pack up their possessions and plan their journey. Communities can plan for these droughts by storing food, looking for alternative sources of water, and making sure that the elderly and the young will be properly cared for during difficult times. The type of emergency influences the mix of people in a refugee camp. Sometimes, there will be more men than women. Other times, there will be many babies who are not able to walk yet and small children. And at other times, there will be many elderly people who need special help and care. For example, during a war, there are usually fewer men at home, because the men will be fighting. During a drought, babies and elderly people may die since they are more vulnerable. Different people have different needs for food, water, and shelter. Children become dehydrated more quickly than adults do, and they also need more high energy foods. Old people need more warmth and blankets. 10.1. Which emergencies happen suddenly, without warning? (2) ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ 10.2. How will these sudden emergencies affect each of the following? (a) the mix of people in the group? (2) ____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 7 | BEDFORDVIEW PRIMARY SCHOOL TECHNOLOGY PAGE TOTAL:

(b) the amount of food and water refugees have with them? (2) _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ (c) the ability of refugees to build their own shelters. (2) _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 10. 3 Which emergencies happen slowly, over a longer period? (2) _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 10.4. Which emergencies are the most difficult to plan for? Explain why you say so. (2) _____________________________________________________________________________ ____________________________________________________________________________ _ _____________________________________________________________________________ TOTAL :60 8 | BEDFORDVIEW PRIMARY SCHOOL TECHNOLOGY PAGE TOTAL: