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

Q 2: Critics of nanotechnology point to the potential toxicity of new classes of nanosubstances and compare them to
atom bomb
microscopic materials like asbestos fibres
green house emissions
highly damaging acid rain

Q 3: A unique phenomenon that occurs in nanoparticles is Gibbs-Thomson effect, which is the _____.
instant freezing of material
lowering of the melting point of a material
raising of the melting point of a material
instant evaporation of material

Q 4: _____ 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).
Mad Nano
Grey Goo
Apocalypse Now
I Robot

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

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Question 8: This question is available to subscribers only!


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