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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Writing, Speech, Debate, & General Knowledge
7.1 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: One fundamental characteristic of nanotechnology is that nanodevices self-assemble. That is, they build themselves from the bottom up. _________ is an important technique both for characterization and synthesis of nanomaterials.
Optical telescopy
Infrared detector
Scanning probe microscopy
Ultrasonic photography

Q 2: Critics of nanotechnology point to the potential toxicity of new classes of nanosubstances and compare them to
atom bomb
highly damaging acid rain
green house emissions
microscopic materials like asbestos fibres

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

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
Mad Nano
Apocalypse Now
Grey Goo

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

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