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

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

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
106 m
10-9 m
109 m

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.
Optical telescopy
Ultrasonic photography
Scanning probe microscopy
Infrared detector

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

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

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Question 8: This question is available to subscribers only!


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