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WorksheetsSmart Materials Worksheet
Total questions: 10
Worksheet time: 5mins
What is Polymorph and what is it used for?
A thermoplastic material that can be shaped and reshaped any number of times, suitable for 3D modelling
A type of metal that remembers its shape
An ink that changes color with temperature
A type of ceramic used in electronics
What is the main property of Shape Memory Alloy (SMA)?
It can be shaped and reshaped any number of times
It changes color with temperature
It returns to its original shape when heated
It dissolves in water
SMA can be 'programmed' to remember a shape. What happens if the wire is folded into another shape and then placed in hot water?
It returns to the original 'programmed' shape.
It melts completely.
It stays in the new folded shape.
It breaks into pieces.
What do thermochromic inks do?
Change color with temperature
Dissolve in water
Conduct electricity
Become magnetic
What happens to hydrochromic inks when they make contact with water?
They change colour.
They become sticky.
They evaporate.
They harden.
If the water content of the soil is at the right level, what colour should the moisture tester remain?
Blue
Red
Green
Yellow
Photochromic ink darkens as the level of UV light increases.
True
False
What do aroma pigments do when scratched?
They produce an aroma.
They change color.
They become sticky.
They dissolve in water.
What is the purpose of a 'Scratch 'n Sniff' sticker as shown in the image?
To see colors
To smell a scent
To hear a sound
To feel a texture
According to the partial text, what can be applied to fuel to use it safely? A ________ can be applied to the fuel, safely. It can then be used as fuel and even burned.
HC Polymer
Water Solvent
Metal Catalyst
Acidic Solution
