WorksheetsMaterials Science Quiz
Total questions: 19
Worksheet time: 10mins
What is a Shape Memory Polymer (SMP)?
A polymer that is always rigid
A polymer that can be deformed with temperature changes
A polymer that cannot be reshaped
A polymer that can change color
What is Nitinol primarily made of?
Nickel and titanium
Aluminum and iron
Copper and zinc
Gold and silver
Which of the following is an example of a thermoplastic?
Acrylic
Polyvinyl Chloride
Urea Formaldehyde
Epoxy resin
What is the main characteristic of thermosetting plastics?
They can be reshaped multiple times
They set permanently after heating
They are always transparent
They are softer than thermoplastics
What is a composite material?
A material that cannot be shaped
A material that is always flexible
A material created from two or more different materials
A material made from a single substance
What is the purpose of steam bending in timber shaping?
To increase the weight of timber
To change the color of timber
To make timber soft and flexible
To make timber harder
Which of the following is a property of smart materials?
They do not change under any conditions
They change properties when exposed to stimuli
They are always rigid
They are only used in electronics
What is the main difference between hardwood and softwood?
Softwood is always used for furniture
Hardwood is more durable than softwood
Softwood grows slower than hardwood
Hardwood is cheaper than softwood
What is the function of thermochromic inks?
To create a 3D effect
To change color in response to light
To change color in response to temperature
To resist chemicals
What is the primary use of photochromic inks?
In hospital tubes
In electrical casings
To create color changes in response to light
In thermometers
What does the term 'malleability' refer to?
Ability to resist wear
Ability to withstand high temperatures
Ability to change shape permanently
Ability to conduct electricity
Which of the following is a characteristic of acrylic?
Soft and flexible
Heavy and opaque
Brittle and dark
Hard and clear
What is the purpose of laminating timber?
To increase its cost
To hold a shape without heat
To make it lighter
To make it more brittle
What is the main advantage of using composites?
They are always lightweight
They can be engineered for specific applications
They are always cheaper
They are made from a single material
What does the term 'durability' refer to in materials?
Ability to resist wear
Ability to be reshaped
Ability to change shape
Ability to conduct heat
What is the main property of epoxy resin?
It is transparent
It is a good insulator
It is a strong adhesive
It is always flexible
What is the effect of kiln seasoning on timber?
It makes timber heavier
It helps in drying and preserving timber
It increases the cost of timber
It makes timber more flexible
What is the primary characteristic of softwood?
It is always used for flooring
It is generally more expensive
It is lightweight and easy to work with
It is derived from slow-growing trees
What happens to thermosetting plastics when heated?
They lose their strength
They become liquid
They can be reshaped
They set permanently
