What is a "Smart" material?
A material made up of two or more materials that are combined by bonding.
A material made up of several layers laminated together.
A material that has been developed through the invention of new or improved technologies.
A material that can respond to differences in temperature or light and change in some way as a result.
Hardness is defined as:
the ability of a material to be deformed by compression without cracking or tearing.
the ability of a material to withstand abrasive wear and indentation
the ability of a material to withstand sudden shock loading without fracture
the ability of a material to return to it's original shape after a deforming force has been removed
Which one of the following is a composite?
Zinc
Acrylic
Carbon Fibre
Reactive glass
Which one of the following is a type of renewable energy?
Solar
Oil
Gas
Coal
Which one of the following materials is a composite?
Tin
Steel
Aluminium
Medium density fibreboard (MDF)
Which one of the following materials will rust if left outside in the rain?
Copper
Which one of the following is a form of renewable energy?
Biomass
A material which can be drawn into a long thin wire is said to have what property?
Hardness
Elasticity
Ductility
Toughness
Which one of the following materials needs to have a surface finish applied if it is to be used outside?
Oak
Aluminium is used for drinks cans because:
it resists corrosion
it biodegrades
it is a ferrous metal
it can be resealed