Name: ___________________

Date:___________________

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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.
Q 1: A unique phenomenon that occurs in nanoparticles is Gibbs-Thomson effect, which is the _____.
raising of the melting point of a material
lowering of the melting point of a material
instant evaporation of material
instant freezing of material

Q 2: _____ 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
Grey Goo
I Robot
Mad Nano

Q 3: 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.
Optical telescopy
Infrared detector
Scanning probe microscopy
Ultrasonic photography

Q 4: While manipulating nanoparticles, the following would happen.
Van der Waals attraction would become more important
surface tension would become more important
gravity would become less important
all of these

Q 5: The following may be considered naturally occurring nanodevices.
cells
viruses
all of these
prions

Q 6: Potential benefits of nanotechnology might include
improvements in skin care and protection
faster computers and advanced data storage
advanced pharmaceuticals and new drug delivery systems
all of these

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Question 8: This question is available to subscribers only!


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