Name: ___________________


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

Q 2: 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 3: The following may be considered naturally occurring nanodevices.
all of these

Q 4: 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
lowering of the melting point of a material
instant freezing of material

Q 5: 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
10-6 m
106 m
109 m

Q 6: Potential benefits of nanotechnology might include
all of these
advanced pharmaceuticals and new drug delivery systems
faster computers and advanced data storage
improvements in skin care and protection

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Question 8: This question is available to subscribers only!

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