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

Q 2: 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 3: The following may be considered naturally occurring nanodevices.
all of these
prions
viruses
cells

Q 4: 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.
Infrared detector
Optical telescopy
Ultrasonic photography
Scanning probe microscopy

Q 5: 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 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
Grey Goo
Apocalypse Now
Mad Nano

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Question 8: This question is available to subscribers only!


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