WorksheetsNanotechnology
Total questions: 10
Worksheet time: 5mins
The prefix "nano" comes from a ...
French word meaning billion
Greek word meaning dwarf
Spanish word meaning particle
Latin word meaning invisible
What is nanotechnology?
Study and manipulation of technology that is micro sized
Study and manipulation of matter that is small but can still be seen by the human eyes
Study and manipulation of matter at a scale of 1-100 nano meters
Study and manipulation of matter that moves at a speed measured in nano seconds
synthesis of nanoparticles is possible with
top down method
bottom up method
both
none of the above
Why the properties of nanomaterials are different significantly compared to bulk materials?
Quantum effect
Confinement effect
Synergistic effect
Avalanche effect
Why the properties of nanomaterials are different significantly compared to bulk materials?
Increase relative surface area
Decreased relative surface area
Increased lattice parameters
Lower down the melting temperature
Why is nano-scale titanium dioxide used in suncream?
It is cheap.
It is antibacterial.
It blocks ultraviolet light.
It breaks down dirt.
