Materials and Their Properties Quiz

Which statement best defines a synthetic material?

• A material that is only found in nature

• A material that is created by man via a scientific process

• A material that is made by bonding two or more materials together

• A material that reacts to outside stimuli

Which property describes the ability of a material to conduct heat or electrical energy?

• Strength

• Conductivity

• Hardness

• Toughness

If a material can bend or deform and return to its original shape, which property does it exhibit?

• Plasticity

• Elasticity

• Malleability

• Hardness

Explain why silk is considered one of the strongest natural fibres, especially when wet.

• Because it is made from plant fibres

• Because it has a natural shine and smooth texture

• Because its structure allows it to retain strength when wet, unlike many other natural fibres

• Because it is woven tightly

Which material is described as being very expensive to buy?

• Red Cedar

• Scots Pine

• Oak

• Birch

Why is Scots Pine not good for carving?

• Because of its coarse grain pattern

• Because it is too soft

• Because it is too expensive

• Because it is too rare

A garden shed is most likely to be made from which material?

• Red Cedar

• Aluminum

• Plastic

• Steel

Teak is often used for outdoor garden furniture and laboratory worktops. What property makes it especially suitable for these uses?

• High quality finishes can be applied

• Excellent resistance to damp environments and chemicals

• Very hard and tough

• Lightweight and easy to carve

A student is designing a bench for a laboratory that will be exposed to chemicals and moisture. Which hardwood should they choose and why?

• Ash, because it is flexible

• Oak, because it is tough

• Teak, because it is resistant to moisture, fire, and chemicals

• Balsa, because it is lightweight

Which synthetic material can be moulded into shape and is available in many colours?

• Polyamide (Nylon)

• Cellophane

• Polypropylene

• PVC (Polyvinyl Chloride)