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WorksheetsSmart Materials, Composities and Technical Textiles
Total questions: 10
Worksheet time: 5mins
What is the definition of "Smart Material"?
A material that is very clever
A material whose properties change in response to the change in the environment
A change in the material properties only when it's light and dark
A type of material that is only used by intelligent people
A material that provides a visible light when exposed to a current, is called what?
Electroluminescent
Luminescent
Electrolight
Lightbulb
SMA is what?
System Metal Alloy
Shape Memory Alloy
Shape Metal Allowance
Size Memory Alloy
What type of Smart Material changes colour in response to heat?
Photochromic pigment
Thermochromic pigment
Shape Memory Alloy
Polymorph
What is an advantage of using composite materials?
You mixed one material with water to get a desirable property
You collect raw materials from the ground that have selected properties
You combine two or more materials together to get desirable properties
You combine two or more materials together to get the worst properties
What is the definition of "Phase-changing Materials"?
Breathable, waterproof and window fabrics by allowing a flow of air in and out with three or more layers
Encapsulated droplets on fibres and materials that change between liquid to solid form within a temperature range
Lightweight, versatile and thin fabric fibres that allow for good strength to weight ratio
Engineered with certain performance characteristics that suit a particular function
Why do Firefighters wear Rhovyl?
Anti-bacterial, chemical resistant, windproof
Absorbs UV radiation, tightly woven fabric, lightweight
Non-flammable, waterproof, dries quickly
Non-flammable, lightweight, rigid
Kevlar is used for a stabproof vest and other protective clothing, why is this?
The fibre is woven together in a lattice that provides protection
The fibre is melted together in a circle that provides protection
The fibre is glued together in a square that provides protection
The fibre is woven together in a line that provides protection
What type of material can SMA be?
Polymer
Metal
Wood
Fabric
How does biomimetics benefit swimmers?
It mimics nature such as the shark's sand-paper like skin
It mimics the environment such as the wet water
It mimics the nature such as the feathers of a bird
It mimics the environment such as an ocean floor
