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WorksheetsDT RM Material 1
Total questions: 14
Worksheet time: 8mins
As a designers, technologists and engineers, there are two (2) important concepts they need to know before selecting a suitable material in order to meet the requirements of a product design specification. What are they?
how materials are looked like & what is the color of materials
how materials are classified & the properties of materials
the strength & toughness of the material only
the malleability & durability of the material only
The most common materials are woods, metals and plastics, and composites. Then, there is ONE manufactured materials with particular properties, which often react to environmental conditions. What is this material called?
Technology
21st Century Material
New Material
Smart & Modern Material
What is physical properties of 'Mechanical' means?
(a)
What is magnetic materials?
(a)
What does it called when the material has touch or sensory properties of a material, such as texture.
aesthetic
electrical
tactile
thermal
What does thermal means?
how a material responds at different temperatures
material’s conductive properties including insulation and resistance
the visual sensory properties of the surface/form of a material
ow a material reacts to other chemicals
How do you find the quiz so far?
Which of the below sentences is describing a PROTOTYPE? (You may choose more than one)
a machine
a working model
a model that is built, test, and then reworked when needed until the final is acceptable.
it is a finished product or production version
‘Smart and modern materials’ is an umbrella term for a wide variety of materials whose properties alter depending on environmental conditions, such as:
light, temperature or movement
strength, durability or toughness
Smart and Modern materials appear to be have a (a)
What is the name of this smart material which commonly used in forehead thermometer?
nitinol
Photochromic inks
Polymorph
Thermochromic inks
What is Polymorph?
(a)
Which product below is made from Shape Memory Alloy (SMA) or nitinol? (You may choose MORE than one)
Explain how a smart and modern material differs from a natural material.
Smart material are reactive material & Modern material is developed from new invention and new process
Smart materials are cannot be changed when expose to environment & Modern material is just an existing material.
A natural material is any product or physical matter that comes from plants, animal or the ground. Example bamboo, gold and wool)
A natural material is a man-made material produced from a new process.
