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

Q 2: _____ 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).
Apocalypse Now
Mad Nano
I Robot
Grey Goo

Q 3: The following may be considered naturally occurring nanodevices.
viruses
cells
prions
all of these

Q 4: A unique phenomenon that occurs in nanoparticles is Gibbs-Thomson effect, which is the _____.
raising of the melting point of a material
lowering of the melting point of a material
instant evaporation of 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?
10-6 m
106 m
109 m
10-9 m

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
Ultrasonic photography
Scanning probe microscopy
Optical telescopy

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