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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: 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.
Scanning probe microscopy
Optical telescopy
Ultrasonic photography
Infrared detector

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

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

Q 4: 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
106 m
10-6 m
109 m

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).
I Robot
Mad Nano
Apocalypse Now
Grey Goo

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Question 8: This question is available to subscribers only!


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