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Q2- Smart Materials GCSE DT EDUQAS

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

A material whose properties change in response to an external change in environment, is known as a...

a)

Modern material

b)

Smart material

c)

Composite material

d)

Interactive textile

2.

Which of these would a material not change in response to?

a)

temperature

b)

light

c)

moisture

d)

image

3.

Electroluminescent material is a material that...

a)

provides a visible light when exposed to a current.

b)

changes from insulators to conductors when under pressure.

c)

is a thermoforming polymer that can be moulded when heated.

d)

is produced by combining two or more materials together to make use of their individual properties.

4.

Quantum tunneling composites is a material that...

a)

provides a visible light when exposed to a current.

b)

changes from insulators to conductors when under pressure.

c)

is a thermoforming polymer that can be moulded when heated.

d)

is produced by combining two or more materials together to make use of their individual properties.

5.

Polymorph is a material that...

a)

provides a visible light when exposed to a current.

b)

changes from insulators to conductors when under pressure.

c)

is a thermoforming polymer that can be moulded when heated.

d)

is produced by combining two or more materials together to make use of their individual properties.

6.

A composite material is a material that...

a)

provides a visible light when exposed to a current.

b)

changes from insulators to conductors when under pressure.

c)

is a thermoforming polymer that can be moulded when heated.

d)

is produced by combining two or more materials together to make use of their individual properties.

7.

A phase-changing material is a material that...

a)

provides a visible light when exposed to a current.

b)

changes from insulators to conductors when under pressure.

c)

changes from one state to another.

d)

is produced by combining two or more materials together to make use of their individual properties.

8.

Mircrofibre is a material that...

a)

provides a visible light when exposed to a current.

b)

is made from extremely fine synthetic fibres.

c)

changes from one state to another.

d)

is produced by combining two or more materials together to make use of their individual properties.

9.

Which of the following smart materials matches this description?

A thermoforming polymer that is supplied in granular form. When heated in becomes soft and can be moulded by hand. It solidifies when cool.

a)

Polymorph

b)

Thermochromic pigment

c)

Photochromic pigment

d)

Shape memory alloys

10.

Which of the following smart materials matches this description?

Changes colour in response to light intensity.

a)

Polymorph

b)

Thermochromic pigment

c)

Photochromic pigment

d)

Shape memory alloys

11.

Which of the following smart materials matches this description?

Changes colour in response to a change in heat.

a)

Polymorph

b)

Thermochromic pigment

c)

Photochromic pigment

d)

Shape memory alloys

12.

Which of the following smart materials matches this description?

A metal that can be shaped and deformed, but when heated the metal will return to it's original shape.

a)

Polymorph

b)

Thermochromic pigment

c)

Photochromic pigment

d)

Shape memory alloy

13.

Which of the following composite materials matches this description?

A lightweight, flexible and extremely durable fibre that has excellent resistance to heat and damage from chemicals. It is often used in protective clothing. It is not a composite in its own right, but is often used as the fibre component of other resin based composite materials.

a)

Carbon fibre reinforced polymer

b)

Glass reinforced plastic

c)

Kevlar

14.

Which of the following composite materials matches this description?

A composite of glass fibres and polyester resin. Tough, lightweight and rigid. Common uses include boarts, hockey sticks and car body work.

a)

Carbon fibre reinforced polymer

b)

Glass reinforced plastic

c)

Kevlar

15.

Which of the following composite materials matches this description?

High tensile strength to create high-performance engineering material. Found in the manufacture of racing bikes due to its high strength to weight ratio, along with the ability to produce streamlined shapes.

a)

Carbon fibre reinforced polymer

b)

Glass reinforced plastic

c)

Kevlar

16.

Which of the following technical textiles matches this description?

A synthetic fibre. Non-flammable, crease resistant, has good thermal and acoustic properties, is anti-bacterial, waterproof and dries quickly.

a)

Rhovyl

b)

Nomex

c)

Geotextiles

d)

Breathable fabrics

17.

Which of the following technical textiles matches this description?

High resistance to heat and flames. Typically used in firefighters' uniforms and racing car drivers' clothing.

a)

Rhovyl

b)

Nomex

c)

Geotextiles

d)

Breathable fabrics

18.

Which of the following technical textiles matches this description?

Permeable fabrics made originally for use with soil, with the ability to filter, separate, protect and drain.

a)

Rhovyl

b)

Nomex

c)

Geotextiles

d)

Breathable fabrics

19.

Which of the following technical textiles matches this description?

Most commonly known material is Gore-Tex. Waterproof and windproof, functions by allowing the flow of air in and out.

a)

Rhovyl

b)

Nomex

c)

Geotextiles

d)

Breathable fabrics

20.

This image shows an example of what type of material?

a)

Electroluminescent

b)

Quantum tunneling composite

c)

Shape memory alloy

d)

Biomimetics