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SAASTE Technology/Key Concepts/Grade 8
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
KEY
CONCEPTS, KEY FOCUS and IMPLICATIONS for TEACHING & LEARNING
of Technology through the RNCSGrade 8Investigates:
background
context
Existing
products-compare- (relevant to problem and based on specified
design aspects)
Practical
tests / testing
Data
handling (collect, extract, summarise, presents and
uses the information to justify and support decisions)Systems & Control:
Mechanical advantage -in terms of how movement and force is
influenced-(mechanical systems, hydraulic & pneumatic
included)
Drawing
system diagrams
Input
- Process - Output
âANDâ & âORâ logic. (more than one
input / control device)
Input
- Process â Output
Drawing
circuit diagrams
Representations
using Truth tables
Drawing
system diagrams Impacts:
technological products
(Express
detailed opinion for positive and/or negative effects on quality
of peopleâs life & on the environment)Designs:
Design brief
Lists specifications and constraints based on specified design
aspects.
possible
solutions- alternative- (linked to design brief &
specifications and/or constraints.)
choice
of solution with reasons
chosen
solution developed further -(graphics and/or modeling)Processing :
Forming,
Shaping or Conditioning a material by adapting them for particular
purposes (increased strength, withstand
forces, etc.)Biases :
Human rights
(Opinions
backed by factual evidence on effect of technology solutions)Makes :
Planning
Materials
list
Tools
list
Construction
techniques
Design
adaption
Safety,
material and tool useStructures:
Frame
Structures :
Structural
components.
Reinforcing techniques
Stability (as in grade 7)
all
within the context of FRAME structuresIndigenous Technology:
Cultures
(Comparison
of ways of solving similar problems in terms of their belief/value
system)Evaluates:
identifying
Strengths and weaknesses of: Product, System and of plan of
action
Use
(given) criteria for evaluation
suggestions
for improvement / modificationCommunicates:
2D
(1st / 3rd angle) or 3D (isometric,
perspective, oblique)
enhanced
sketches / drawings (colour/ shading/ rendering)
circuit diagrams (circuit symbols)
systems diagrams (input, process, output)
notes,
labels, dimensions, list of quantities.
SA drawing conventions (for above)
Appropriate use of Technology to present information for
particular target audience