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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: Nanotechnology is the understanding and control of matter at dimensions of roughly 1 to 100 nanometers, where unique phenomena enable novel applications. What is a nanometer?
10-9 m
106 m
109 m
10-6 m

Q 2: A unique phenomenon that occurs in nanoparticles is Gibbs-Thomson effect, which is the _____.
instant evaporation of material
raising of the melting point of a material
instant freezing of material
lowering of the melting point of a material

Q 3: _____ 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).
Mad Nano
Grey Goo
Apocalypse Now
I Robot

Q 4: The following may be considered naturally occurring nanodevices.
viruses
cells
all of these
prions

Q 5: Critics of nanotechnology point to the potential toxicity of new classes of nanosubstances and compare them to
highly damaging acid rain
atom bomb
microscopic materials like asbestos fibres
green house emissions

Q 6: While manipulating nanoparticles, the following would happen.
all of these
surface tension would become more important
Van der Waals attraction would become more important
gravity would become less important

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Question 8: This question is available to subscribers only!


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