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Technology

Grade 8

Structures

Module 6

The technological process

Activity 1

The Technological Process

  • Assemble your own portfolio of work and incorporate this module in it. Do all additional work for this module on A4-size paper and store it in a ‘flip file’ as you proceed. Consider designing an interesting and relevant cover page to illustrate what you understand technology to be.

The first challenge!

  • Because of issues related to safety, wide, open parkland and playing fields have lost some of their attractiveness in our country. Young children, however, still need things to satisfy the need for adventure that is met by climbing. Designers have produced climbing frames that can be installed in backyards for this purpose. You are invited to design and build such a framework for climbing.

Your design proposition

  • Identify the key words in the above paragraph. Then write a proposal containing these key words. Remember that a proposal for a design comprises a sentence or two that state exactly what you plan to do. The proposal would normally begin with: Design and manufacture of a …
LO 1.5

Specifications

  • The specifications that follow below will be relevant to your design: You could add your own specifications – perhaps with some help from your educator!
  • Climbing frames must be functional
  • They must be safe
  • Wood or drinking straws can be used to construct the model (ice-cream sticks can be used effectively)
  • The model must not be larger than A4-size paper (length, height and width designed to scale)
  • It must be affordable (do not plan to use an unnecessarily large quantity of materials)
LO 1.6

Research

  • You have to obtain information regarding the following:
  • Various designs for climbing frames;
  • Various methods of construction using sticks made from wood;
  • The types of glue to use for wood and for drinking straws;
  • What you could use to make a swing;
  • The tools that you will need, and the purpose of each tool.
LO 1.1 LO 1.4

Some ideas to help you with your construction:

  1. Use cardboard triangles to steady your framework
  1. Use pipe cleaners in conjunction with drinking straws

  1. Use simple joins if you make use of wood

  • Ideas : Jot down any ideas that you might like to develop. You will note that the examples were drawn 3D. Go to Focus Task 2 to find out how to draw an isometric drawing.
LO 1.7

Manufacturing:

  • This step must be planned thoroughly and your planning for it must be presented in your portfolio. Read through the section dealing with safety precautions in the workshop before you commence working. You must be sure of what you need with regard to the following before you start work on your construction:
  • The materials with which you will be working – ice-cream sticks or modelling straws will work well;
  • Your final design;
  • A list of things that need to be sawn, with correct measurements and number of parts;
  • A written plan of the steps you will follow during construction, showing the correct order;
  • Bear in mind that your portfolio will have to contain a report on the construction process.
  • Also remember that you cannot rely on everything going according to plan – you may have to make adjustments to your original ideas.

Questions & Answers

A golfer on a fairway is 70 m away from the green, which sits below the level of the fairway by 20 m. If the golfer hits the ball at an angle of 40° with an initial speed of 20 m/s, how close to the green does she come?
Aislinn Reply
cm
tijani
what is titration
John Reply
what is physics
Siyaka Reply
A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of 8.0 m/s. During its fall, how much work is done on the mouse by air resistance
Jude Reply
Can you compute that for me. Ty
Jude
what is the dimension formula of energy?
David Reply
what is viscosity?
David
what is inorganic
emma Reply
what is chemistry
Youesf Reply
what is inorganic
emma
Chemistry is a branch of science that deals with the study of matter,it composition,it structure and the changes it undergoes
Adjei
please, I'm a physics student and I need help in physics
Adjanou
chemistry could also be understood like the sexual attraction/repulsion of the male and female elements. the reaction varies depending on the energy differences of each given gender. + masculine -female.
Pedro
A ball is thrown straight up.it passes a 2.0m high window 7.50 m off the ground on it path up and takes 1.30 s to go past the window.what was the ball initial velocity
Krampah Reply
2. A sled plus passenger with total mass 50 kg is pulled 20 m across the snow (0.20) at constant velocity by a force directed 25° above the horizontal. Calculate (a) the work of the applied force, (b) the work of friction, and (c) the total work.
Sahid Reply
you have been hired as an espert witness in a court case involving an automobile accident. the accident involved car A of mass 1500kg which crashed into stationary car B of mass 1100kg. the driver of car A applied his brakes 15 m before he skidded and crashed into car B. after the collision, car A s
Samuel Reply
can someone explain to me, an ignorant high school student, why the trend of the graph doesn't follow the fact that the higher frequency a sound wave is, the more power it is, hence, making me think the phons output would follow this general trend?
Joseph Reply
Nevermind i just realied that the graph is the phons output for a person with normal hearing and not just the phons output of the sound waves power, I should read the entire thing next time
Joseph
Follow up question, does anyone know where I can find a graph that accuretly depicts the actual relative "power" output of sound over its frequency instead of just humans hearing
Joseph
"Generation of electrical energy from sound energy | IEEE Conference Publication | IEEE Xplore" ***ieeexplore.ieee.org/document/7150687?reload=true
Ryan
what's motion
Maurice Reply
what are the types of wave
Maurice
answer
Magreth
progressive wave
Magreth
hello friend how are you
Muhammad Reply
fine, how about you?
Mohammed
hi
Mujahid
A string is 3.00 m long with a mass of 5.00 g. The string is held taut with a tension of 500.00 N applied to the string. A pulse is sent down the string. How long does it take the pulse to travel the 3.00 m of the string?
yasuo Reply
Who can show me the full solution in this problem?
Reofrir Reply
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Source:  OpenStax, Technology grade 8. OpenStax CNX. Sep 13, 2009 Download for free at http://cnx.org/content/col11052/1.1
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