Name: ___________________

Date:___________________

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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: A unique phenomenon that occurs in nanoparticles is Gibbs-Thomson effect, which is the _____.
instant evaporation of material
instant freezing 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.
viruses
cells
all of these
prions

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).
I Robot
Apocalypse Now
Grey Goo
Mad Nano

Q 4: While manipulating nanoparticles, the following would happen.
gravity would become less important
Van der Waals attraction would become more important
all of these
surface tension would become more important

Q 5: 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.
Scanning probe microscopy
Infrared detector
Optical telescopy
Ultrasonic photography

Q 6: Critics of nanotechnology point to the potential toxicity of new classes of nanosubstances and compare them to
highly damaging acid rain
atom bomb
green house emissions
microscopic materials like asbestos fibres

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