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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.

Name: ___________________

Date:___________________

Writing, Speech, Debate, & General Knowledge
7.1 Nano Technology

Q 1: While manipulating nanoparticles, the following would happen.
surface tension would become more important
all of these
gravity would become less important
Van der Waals attraction would become more important

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

Q 3: 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?
10-6 m
109 m
10-9 m
106 m

Q 4: 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
Ultrasonic photography
Optical telescopy
Scanning probe microscopy

Q 5: 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
green house emissions
atom bomb

Q 6: The following may be considered naturally occurring nanodevices.
all of these
prions
cells
viruses

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