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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 freezing of material
raising of the melting point of a material
lowering of the melting point of a material
instant evaporation of material

Q 3: While manipulating nanoparticles, the following would happen.
Van der Waals attraction would become more important
gravity would become less important
all of these
surface tension would become more important

Q 4: Potential benefits of nanotechnology might include
faster computers and advanced data storage
all of these
advanced pharmaceuticals and new drug delivery systems
improvements in skin care and protection

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

Q 6: _____ 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

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