Smart Materials

What is the definition of a smart material?

• A material that has been engineered to have additional properties

• A material that is available in large sheets

• A material that has a brain

• A material whose physical properties change in response to external stimuli

What is the definition of a modern or new material?

• A material that has been engineered to have improved properties

• A material that is available in large sheets

• A material that has a brain

• A material whose physical properties change in response to external stimuli

Which of these is a modern material?

• Acrylic palstic

• Gore-tex

• Pewter

• Cotton

Having smartphone screens that repel greasy fingerprints is achieved using which of the following?

• Polymorph

• Nanomaterials

• Microencapsulation

• Screen protector

What modern material is used to make firefighters' protective clothing?

• Kevlar

• Zinc

• Nomex

• Polyester

Thermochromic pigment changes colour when exposed to what?

• Light

• Sound

• Water

• Heat

GRP is a combination of which materials?

• Glass fibre and resin

• Carbon fibre and resin

• Wood fibre and resin

• Grass resin and plastic

A Composite material is........

• A material made from 2 or more different materials

• Made from rubbish

• Made from reclaimed material

• Made from resin and recycled plastic

Explain why both Plywood and MDF are described as Composite materials?

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Kevlar is a material that has which of these properties?

• Strong and resistant to impact

• Soft and resistant to spills and stains

• Conductive and resistant to fire

• Heavy and difficult to move