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- 1. Multiple ChoiceThe word "nano" means:one millionethone billionethone thousandthone trillioneth
- 2. Multiple Choice
Which 2 of the following technologies are currently made using nanotechology?
odor-free socks
vegetarian meatballs
vaccinations
wrinkle-resistant fabrics
- 3. Multiple ChoiceNanotechnology allows the manipulation of atoms or molecules to create or modify materials at the nanoscale.TrueFalse
- 4. Multiple Choice
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
- 5. Multiple ChoiceThe prefix "nano" comes from a ...French word meaning billionGreek word meaning dwarfSpanish word meaning particleLatin word meaning invisible
- 6. Multiple ChoiceWhat is a buckyball?A carbon atom (C60)Nickname for Mercedes-Benz's futuristic concept car (C111)Plastic explosives nanoparticle (C4)Concrete nanoparticle with a compressive strength of 20 nanonewtons (C20)
- 7. Multiple ChoiceNanorobots (nanobots)...Do not exist yetExist in experimental form in laboratoriesAre already used in nanomedicine to remove plaque from the walls of arteriesWill be used by NASA in the next unmanned mission to Mars
- 8. Multiple ChoiceWhat exactly is a quantum dot?A semiconductor nanostructure that confines the motion of conduction band electrons, valence band holes, or excitons in all three spatial directions.The sharpest possible tip of an Atomic Force MicroscopeA fictional term used in science fiction for the endpoints of wormholesUnexplained spots that appear in electron microscopy images of nanostructures smaller than 1 nanometer
- 9. Multiple ChoiceWhat best approximates the diameter of a DNA molecule?2 nanometers20 nanometers3 Angstroms100 Angstroms
- 10. Multiple Choice
Having a tendency to mix with, dissolve in, or be wetted by water.
Hydrophobic
Hydrophilic
- 11. Multiple Choice
which will give hi-resolution images?
SEM
TEM
- 12. Multiple Choice
synthesis of nanoparticles is possible with
top down method
bottom up method
both
- 13. Multiple Choice
Why the properties of nanomaterials are different significantly compared to bulk materials?
Quantum effect
Confinement effect
Synergistic effect
Avalanche effect
- 14. Multiple Choice
Why the properties of nanomaterials are different significantly compared to bulk materials?
Increased relative surface area
Decreased relative surface area
Increased lattice parameters
Lower down the melting temperature
- 15. Multiple Choice
Nanotubes are considered as Two-dimensional (2-D) nanomaterials
Yes
No
- Answer choicesTagsAnswer choicesTags