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.

(a)  

Fill in the missing word: Modern materials are developed through the invention of new or improved processes to improve the (a)   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

• Thermochromic

• Photochromic

• Kevlar

• Fibreglass

• Nomex

• Graphene

• Carbon Fibre

• Electroluminescent

• Shape Memory Alloy

• Quantum Tunelling

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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• 
• 
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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