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

Q 2: The following may be considered naturally occurring nanodevices.
all of these
viruses
prions
cells

Q 3: Potential benefits of nanotechnology might include
faster computers and advanced data storage
improvements in skin care and protection
all of these
advanced pharmaceuticals and new drug delivery systems

Q 4: Critics of nanotechnology point to the potential toxicity of new classes of nanosubstances and compare them to
microscopic materials like asbestos fibres
green house emissions
highly damaging acid rain
atom bomb

Q 5: _____ 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).
Grey Goo
Mad Nano
Apocalypse Now
I Robot

Q 6: 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.
Infrared detector
Scanning probe microscopy
Ultrasonic photography
Optical telescopy

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