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WorksheetsModern and Smart Materials Quiz
Total questions: 14
Worksheet time: 7mins
What defines a modern material?
Naturally occurring with traditional properties
Used only in construction
Engineered to have improved properties
Always a type of smart material
What is a key characteristic of smart materials?
They are always opaque
They are always transparent
They are naturally occurring
They change in response to external stimuli
What is a shape-memory alloy (SMA)?
A naturally occurring mineral
A type of plastic that changes color
A metal that remembers its shape when heated
A metal that expands when cooled
What is nickel titanium (nitinol) known for?
Contracting when heated
Expanding when heated
Being a type of glass
Being a type of wood
What are nanomaterials typically used for?
Creating thin films or coatings
Producing textiles
Making traditional paper
Building large structures
What do photochromic pigments do?
Conduct electricity
Remain the same under all conditions
Change properties when exposed to UV light
Change color in response to temperature
What is a common application of reactive glass?
Wooden furniture
Building foundations
Privacy glass and auto-dimming mirrors
Traditional window panes
What is a piezoelectric material capable of?
Conducting heat
Absorbing water
Changing color when heated
Generating electricity when pressure is applied
What is a unique feature of conductive inks?
They are made from plastic
They can conduct electricity when dry
They are non-conductive
They are used for painting
What do temperature-responsive polymers do?
Change color in response to light
Respond to temperature change by altering properties
Remain solid at all temperatures
Conduct electricity
What is the size range of nanomaterials?
1 to 100 micrometers
1 to 100 millimeters
1 to 100 centimeters
1 to 100 nanometers
What is the purpose of hydrophobic materials?
To conduct electricity
To repel water
To absorb water
To change color
What is an example of a piezoelectric material?
Glass
Quartz crystals
Copper wire
Plastic
What is a common use for photochromic pigments?
In building materials
In glasses that darken in sunlight
In food packaging
In textiles
