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

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

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.
Infrared detector
Optical telescopy
Scanning probe microscopy
Ultrasonic photography

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?
10-6 m
106 m
109 m
10-9 m

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

Q 6: The following may be considered naturally occurring nanodevices.
cells
all of these
prions
viruses

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Question 8: This question is available to subscribers only!


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