Worksheets2- Material & Properties (PBa +SWo)
Total questions: 29
Worksheet time: 15mins
Why is it important to choose the right material when designing a product?
To make it look attractive
To reduce cost
To ensure it performs its function properly
To make it easier to manufacture
Which of the following is a poor material choice for a door handle?
Stainless steel
Aluminium
Royal blue candle wax
Brass
What does the physical property 'density' refer to?
How easily a material melts
How much light passes through a material
The amount of matter in a material
How flexible a material is
Which property measures how fast heat travels through a material?
Electrical conductivity
Thermal expansion
Thermal conductivity
Fusibility
What is an insulator in terms of thermal conductivity?
A material that melts easily
A material that conducts heat quickly
A material that resists heat flow
A material that expands when heated
Which property measures how fast electricity travels through a material?
Electrical conductivity
Thermal conductivity
Fusibility
Density
What happens to a material with high thermal expansion when heated?
It melts
It becomes lighter
It becomes noticeably larger
It becomes transparent
What type of material allows light to pass through but not clearly?
Transparent
Opaque
Translucent
Reflective
Which of the following is an opaque material?
Clear glass
Frosted plastic
Wood
Thin plastic film
If a material returns to its original shape after being deformed, it is:
Plastic
Elastic
Brittle
Rigid
What does 'strength' measure in a material?
How easily it melts
How well it resists force without breaking
How much it weighs
How much light it reflects
Malleability is the ability of a material to:
Resist twisting
Be permanently deformed by compression
Conduct electricity
Return to its original shape
Which material has high density?
Wood
Plastic
Lead
Nylon
Which material has a low melting point?
Tungsten
Copper
Lead
Steel
Which material has high thermal conductivity?
Polystyrene
Copper
Tin
Wood
Which material has high thermal expansion?
Titanium
Nylon
Bronze
Thermoset plastic
Which type of strength resists twisting forces?
Compressive strength
Torsional strength
Shear strength
What type of strength resists sliding forces?
Tensile strength
Shear strength
Bending strength
Torsional strength
Which strength type resists being crushed?
Compressive strength
Torsional strength
Shear strength
Elastic strength
What does the term ductility describe in a material?
How well it resists scratching
How easily it can be permanently deformed without breaking
How well it conducts electricity
How much it weighs
A material that resists scratching and surface wear is said to have high:
Toughness
Ductility
Hardness
Elasticity
Which property describes a material’s ability to absorb sudden impacts without cracking?
Malleability
Toughness
Durability
Conductivity
A brittle material is one that:
Can be stretched into a wire
Is very hard
Breaks easily under sudden force
Resists corrosion
What does durability measure in a material?
Its ability to bend without breaking
Its resistance to weathering and decay
Its ability to conduct heat
Its resistance to scratching
In a school test for bending strength, which material is the most rigid?
The one that bends the most
The one that breaks first
The one that bends the least
The one that is the heaviest
In a toughness test using a hammer, which material is the toughest?
The one that bends the most
The one that cracks
The one that bends the least
The one that does not crack
In a hardness test, which material is considered the hardest?
The one that scratches all others
The one that bends the most
The one that breaks first
The one that is the lightest
Which property allows a material to be drawn into a wire?
Malleability
Ductility
Toughness
Hardness
What is the opposite of a tough material?
Ductile
Brittle
Durable
Elastic
