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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.

Name: ___________________

Date:___________________

Grade 8 English
4.17 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?
109 m
10-9 m
106 m
10-6 m

Q 2: A unique phenomenon that occurs in nanoparticles is Gibbs-Thomson effect, which is the _____.
raising of the melting point of a material
instant freezing of material
instant evaporation of material
lowering of the melting point of a material

Q 3: 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 4: Potential benefits of nanotechnology might include
faster computers and advanced data storage
improvements in skin care and protection
advanced pharmaceuticals and new drug delivery systems
all of these

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

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).
Apocalypse Now
I Robot
Mad Nano
Grey Goo

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Question 8: This question is available to subscribers only!


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