Kayak Materials and Design Quiz

What is a key feature of a kayak designed for racing?

• Low buoyancy

• Flexible and tough

• Sleek and lightweight

• High buoyancy

What characteristic of polymers makes plastic kayaks tough?

• Low elasticity

• Entangled molecular chains

• Covalent bonding

• High density

How do the molecular chains in plastic kayaks behave under pressure?

• They slide past each other

• They remain rigid

• They dissolve

• They break easily

What is a disadvantage of composite kayaks compared to plastic ones?

• They are less buoyant

• They are more flexible

• They are less durable upon impact

• They are heavier

What materials are used in the construction of composite kayaks?

• Wood and epoxy

• Metal alloys

• Pure plastic

• Fiberglass and carbon cloth with resin