WorksheetsInnovations in New Materials Quiz
Total questions: 30
Worksheet time: 15mins
Which of the following is a property of graphene that makes it useful in electronics?
High density
Excellent electrical conductivity
Brittle structure
Poor thermal stability
What is the main advantage of using smart materials in product design?
They are always cheaper than traditional materials
They can respond to changes in their environment
They are heavier than conventional materials
They are always biodegradable
Which new material is commonly used for lightweight, strong bicycle frames?
Cast iron
Carbon fibre reinforced polymer
Polyvinyl chloride (PVC)
Lead
What is a key property of shape memory alloys?
They can change shape when heated and return to their original form when cooled
They are always magnetic
They dissolve in water
They are transparent
Which of the following is a biodegradable polymer?
Polyethylene terephthalate (PET)
Polylactic acid (PLA)
Polycarbonate
Polystyrene
Aerogel is known for which of the following properties?
High electrical conductivity
Extremely low density
High opacity
High magnetic strength
Which material is often used in self-cleaning glass due to its photocatalytic properties?
Titanium dioxide
Aluminium oxide
Copper sulphate
Sodium chloride
What is the main benefit of using thermochromic pigments in products?
They change colour with temperature
They conduct electricity
They are waterproof
They are magnetic
Which of the following is a composite material?
Stainless steel
Concrete
Copper
Glass
What is the main reason for using Kevlar in protective clothing?
It is highly flexible
It has high tensile strength
It is biodegradable
It is transparent
Which new material is used in flexible electronic displays?
Liquid crystal polymers
Wood
Cast iron
Stone
What is the main function of hydrophobic coatings?
To absorb water
To repel water
To conduct electricity
To increase weight
Which of the following is a property of nanomaterials?
They are always visible to the naked eye
They have a very large surface area to volume ratio
They are always magnetic
They are always heavy
Which material is commonly used in bulletproof vests?
Nylon
Kevlar
Cotton
Polyester
What is the main advantage of using bio-based plastics?
They are always stronger than oil-based plastics
They are made from renewable resources
They are always transparent
They are always magnetic
Which of the following is a property of carbon nanotubes?
Poor electrical conductivity
High strength-to-weight ratio
High density
Low melting point
What is the main use of piezoelectric materials?
To store heat
To generate electricity when subjected to mechanical stress
To absorb sound
To change colour
Which new material is used for lightweight, strong aircraft components?
Aluminium alloys
Lead
Cast iron
Wood
Which of the following is a property of smart glass?
It can change its transparency when voltage is applied
It is always opaque
It is magnetic
It is biodegradable
Which material is used in medical implants due to its biocompatibility?
Titanium
Lead
Copper
Iron
What is the main benefit of using recycled materials in design?
They are always stronger than new materials
They help reduce environmental impact
They are always cheaper
They are always lighter
Which of the following is a property of aerogel?
High thermal insulation
High electrical conductivity
High density
High opacity
Which new material is used in touch screens for its transparency and conductivity?
Indium tin oxide
Copper
Lead
Iron
What is the main advantage of using composites in car manufacturing?
They are always heavier than metals
They can be designed for specific properties
They are always magnetic
They are always transparent
Which of the following is a property of thermosetting polymers?
They can be remoulded after setting
They cannot be remoulded after setting
They are always transparent
They are always biodegradable
Which new material is used in solar panels for its efficiency in converting sunlight to electricity?
Silicon
Lead
Iron
Copper
What is the main function of phase change materials in building design?
To provide structural support
To regulate temperature by absorbing and releasing heat
To conduct electricity
To increase weight
Which of the following is a property of biodegradable polymers?
They break down naturally over time
They are always magnetic
They are always transparent
They are always heavier than metals
Which new material is used in sports equipment for its light weight and strength?
Carbon fibre
Lead
Cast iron
Wood
What is the main benefit of using nanotechnology in medicine?
It allows for targeted drug delivery
It always increases the weight of medicines
It makes medicines magnetic
It always makes medicines transparent
