WorksheetsWJEC Smart Materials
Total questions: 11
Worksheet time: 6mins
A thermochromic substance ...
Changes colour when the light intensity changes.
Changes colour when the temperature changes.
Absorbs up to 1000 x its volume in water.
Returns to its original shape when heated.
A photochromic substance ...
Changes colour when the light intensity changes.
Changes colour when the temperature changes.
Absorbs up to 1000 x its volume in water.
Returns to its original shape when heated.
A hydrogel...
Changes colour when the light intensity changes.
Changes colour when the temperature changes.
Absorbs up to 1000 x its volume in water.
Returns to its original shape when heated.
A shape memory polymer ...
Changes colour when the light intensity changes.
Changes colour when the temperature changes.
Absorbs up to 1000 x its volume in water.
Returns to its original shape when heated.
A shape memory alloy...
Changes colour when the light intensity changes.
Changes colour when the temperature changes.
Absorbs up to 1000 x its volume in water.
Returns to its original shape when heated.
A shape memory alloy is...
Metal
Plastic
None of the above
Both
A shape memory polymer is...
Metal
Plastic
None of the above
Both
A hydrogel is used in ...
Nappies
Gumshields / mouthguards
Glasses frames
Transition glasses lenses
A shape memory alloy is used in ...
Nappies
Gumshields / mouthguards
Glasses frames
Transition glasses lenses
A shape memory polymer is used in ...
Nappies
Gumshields / mouthguards
Glasses frames
Transition glasses lenses
A thermochromic material is used in ...
Nappies
Gumshields / mouthguards
Glasses frames
Transition glasses lenses
Colour changing mugs
