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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 8 English
4.17 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: 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
10-9 m
109 m
106 m

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).
I Robot
Apocalypse Now
Mad Nano
Grey Goo

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

Q 4: Potential benefits of nanotechnology might include
advanced pharmaceuticals and new drug delivery systems
all of these
faster computers and advanced data storage
improvements in skin care and protection

Q 5: Critics of nanotechnology point to the potential toxicity of new classes of nanosubstances and compare them to
microscopic materials like asbestos fibres
atom bomb
highly damaging acid rain
green house emissions

Q 6: 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

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Question 8: This question is available to subscribers only!


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