WorksheetsMaterials and Their Properties Quiz
Total questions: 15
Worksheet time: 8mins
Which of the following statements is true about ferrous metals?
Ferrous metals do not contain iron.
Ferrous metals contain iron.
Ferrous metals are always non-magnetic.
Ferrous metals are only used for jewelry.
What is the main difference between thermoplastics and thermosetting polymers?
Thermoplastics can only be heated and shaped once.
Thermosetting polymers can be heated and shaped repeatedly.
Thermoplastics can be heated and shaped repeatedly, while thermosetting polymers can only be heated and shaped once.
Both can be recycled easily.
Which process involves heating and then slowly cooling metal to remove stress and make it softer?
Tempering
Case hardening
Annealing
Hardening
What is the main source of natural timber?
Factories
Trees
Mines
Oceans
Which of the following is a property of paper?
Made from plastic
Made from wood pulp
Made from metal
Made from glass
Which of the following is a non-ferrous metal?
Mild steel
Cast iron
Aluminium
Stainless steel
What is the purpose of seasoning hardwoods and softwoods?
To make them heavier
To prevent shrinkage by removing moisture
To change their color
To make them waterproof
Which manufactured board is made from recycled wood waste and additives?
Oak
MDF (Medium Density Fibreboard)
Beech
Scots pine
What is the melting point of brass, a non-ferrous metal?
660°C
900°C
1100°C
1200°C
Which of the following is a common thermosetting polymer?
Polyethylene
Nylon
Melamine
Polystyrene
Why are softwoods generally less expensive than hardwoods?
They are harder to find.
They grow slower.
They are faster-growing and more easily available.
They are always imported.
What is the main benefit of paper being fully recyclable?
It is waterproof.
It reduces the need for wood fibres from trees.
It is stronger than plastic.
It is more colorful.
Which process is used to harden an alloy’s surface by adding carbon, heating, and quenching?
Annealing
Normalising
Case hardening
Tempering
What is the main difference between hardwoods and softwoods?
Hardwoods come from coniferous trees, softwoods from deciduous trees.
Hardwoods come from trees that shed leaves in colder months, softwoods from coniferous trees that are green all year.
Hardwoods are always heavier than softwoods.
Softwoods are more expensive than hardwoods.
Why must paper and card be scored before bending?
To make them waterproof
To prevent cracking or breaking
To make them heavier
To change their color
