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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
faster computers and advanced data storage
advanced pharmaceuticals and new drug delivery systems
improvements in skin care and protection
all of these

Q 2: While manipulating nanoparticles, the following would happen.
Van der Waals attraction would become more important
gravity would become less important
surface tension would become more important
all of these

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
106 m
10-9 m

Q 4: Critics of nanotechnology point to the potential toxicity of new classes of nanosubstances and compare them to
highly damaging acid rain
green house emissions
atom bomb
microscopic materials like asbestos fibres

Q 5: A unique phenomenon that occurs in nanoparticles is Gibbs-Thomson effect, which is the _____.
lowering of the melting point of a material
raising of the melting point of a material
instant evaporation of material
instant freezing of material

Q 6: _____ 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).
Grey Goo
I Robot
Mad Nano
Apocalypse Now

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Question 8: This question is available to subscribers only!


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