Q2- Smart Materials GCSE DT EDUQAS

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

• Modern material

• Smart material

• Composite material

• Interactive textile

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

• temperature

• light

• moisture

• image

Electroluminescent material is a material that...

• provides a visible light when exposed to a current.

• changes from insulators to conductors when under pressure.

• is a thermoforming polymer that can be moulded when heated.

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

Quantum tunneling composites is a material that...

• provides a visible light when exposed to a current.

• changes from insulators to conductors when under pressure.

• is a thermoforming polymer that can be moulded when heated.

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

Polymorph is a material that...

• provides a visible light when exposed to a current.

• changes from insulators to conductors when under pressure.

• is a thermoforming polymer that can be moulded when heated.

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

A composite material is a material that...

• provides a visible light when exposed to a current.

• changes from insulators to conductors when under pressure.

• is a thermoforming polymer that can be moulded when heated.

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

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

• provides a visible light when exposed to a current.

• changes from insulators to conductors when under pressure.

• changes from one state to another.

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

Mircrofibre is a material that...

• provides a visible light when exposed to a current.

• is made from extremely fine synthetic fibres.

• changes from one state to another.

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

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.

• Polymorph

• Thermochromic pigment

• Photochromic pigment

• Shape memory alloys

Which of the following smart materials matches this description?

Changes colour in response to light intensity.

• Polymorph

• Thermochromic pigment

• Photochromic pigment

• Shape memory alloys