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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 8 English
4.17 Nano Technology

Directions: Answer the following questions and verify your answers. Do your own research and write an informative essay about nano technology.
Q 1: Critics of nanotechnology point to the potential toxicity of new classes of nanosubstances and compare them to
highly damaging acid rain
atom bomb
green house emissions
microscopic materials like asbestos fibres

Q 2: Potential benefits of nanotechnology might include
faster computers and advanced data storage
advanced pharmaceuticals and new drug delivery systems
improvements in skin care and protection
all of these

Q 3: The following may be considered naturally occurring nanodevices.
all of these
cells
viruses
prions

Q 4: _____ refers to a hypothetical end-of-the-world event involving molecular nanotechnology in which out-of-control self-replicating robots consume all living matter on Earth while building more of themselves (a scenario known as ecophagy).
I Robot
Grey Goo
Mad Nano
Apocalypse Now

Q 5: While manipulating nanoparticles, the following would happen.
all of these
Van der Waals attraction would become more important
gravity would become less important
surface tension would become more important

Q 6: A unique phenomenon that occurs in nanoparticles is Gibbs-Thomson effect, which is the _____.
instant evaporation of material
lowering of the melting point of a material
instant freezing of material
raising of the melting point of a material

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Question 8: This question is available to subscribers only!


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