Smart and Modern Materials Quiz

What is the missing word? Smart materials are 'reactive materials'. Their properties can be changed by exposure to -------, such as electric and magnetic fields, stress, moisture and temperature.

Fill in the missing word: Modern materials are developed through the invention of new or improved processes to improve the _________ of the material, eg to make them stronger, faster, lighter and tougher.

Organize these options into the right categories

Groups:

(a) Smart Material

,

(b) Modern Material

• Graphene

• Photochromic

• Kevlar

• Thermochromic

• Nomex

• Quantum Tunelling

• Shape Memory Alloy

• Fibreglass

• Electroluminescent

• Carbon Fibre

What bulletproof material is pictured here?

• Nomex

• Kevlar

• Teflon

• Gortex

Electroluminescence (EL) is when a material emits light in response to the passage of what?

• Heat

• Sound waves

• Electric Current

• Magnetic fields

Electroluminescent wire (EL wire) is a thin copper wire coated in a phosphor which does what when an alternating current is applied to it.

• Glows

• Emits sound waves

• Generates heat

• Produces magnetic fields

Organize these options into the right categories

Groups:

(a) Electroluminescent wire

,

(b) Light Emitting Polymers

,

(c) Liquid Crystal Displays

,

(d) Shape Memory Alloys

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• 
• 
• 

What type of materials are Smart Fibres and Fabrics?

• Conventional materials

• Inert materials

• Modern materials

• Reactive materials

A shape-memory alloy (SMA) is an alloy that "remembers" its original (a)   and when deformed returns to its pre-deformed shape when ​ (b)   .

• shape
• heated
• position
• metal
• colour
• cut
• strength

What property of Shape Memory Alloys (SMAs) allows them to return to their original shape when heated?

• Thermoconductivity

• Superelasticity

• Flexibility

• Magnetism