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WorksheetsNanotechnology, Biomimicry, and the Lotus Effect
Total questions: 15
Worksheet time: 1hrs 25mins
__________ means “water fearing” and refers to things that tend to repel or fail to mix with water.
Hydrophilic
Hydrophobic
Ambidextrous
None of the above
Supercalifragilisticexpialidocious
__________ means “water loving” and refers to having a tendency to mix with, dissolve in, or be wetted by water.
Hydrophilic
Hydrophobic
Ambidextrous
None of the above
Supercalifragilisticexpialidocious
__________ is showing luminous colors that seem to change when seen from different angles.
Hydrophilic
Hydrophobic
Ambidextrous
None of the above
Iridescent
__________ refers to self-cleaning properties that are a result of ultra-hydrophobicity as exhibited by the leaves of the Nelumbo or "lotus flower".
Hydrophilic
Hydrophobic
Lotus effect
None of the above
Iridescent
__________ is the study and application of extremely small things and can be used across all the other science fields, such as chemistry, biology, physics, materials science, and engineering.
Hydrophilic
Hydrophobic
Lotus effect
Nanotechnology
Iridescent
Exactly how small is the nanoscale, compared to a meter?
one millionth - 1/1,000,000
one thousandth - 1/1,000
one billionth - 1/1,000,000,000
one tenth - 1/10
Which of the following is true concerning nanotechnology:
I. The nanometer is extremely small.
II. At the nanometer scale, many materials behave differently.
III. We can harness this new behavior to make new materials.
I
II
III
All of the statements above
None of the above statements
True or False?
In the time it takes to read this sentence, your fingernails will have grown approximately one nanometer (1 nm).
True
False
Who wants to know?
I don't care. Fingernails are dumb, vestigial structures that serve no purpose in our daily lives.
__________ is imitating nature’s best ideas to solve problems.
It is the design and production of materials, structures, and systems that are modeled on biological entities and processes.
DNA replication
Personalized medicine
Biomimicry
Species richness
What is an example of modern technology that was inspired by a sticker burr in nature?
shoe laces
Velcro
button fly
buckles
Why might a peacock’s feathers be iridescent in nature? What purpose might it serve?
to attract a mate
for camouflage
to scare off potential predators
all of the above
Water is a polar molecule, meaning it likes to…
evaporate
stick to itself
stick to oil
drip
This picture shows an example of what kind of surface?
hydrophobic
hydrophilic
hydrostatic
hydroplane
This blue object in the picture represents a water droplet. What kind of surface is the water droplet in the picture on?
hydrophobic
hydrophilic
hydrostatic
hydroplane
Essay Question (3-4 complete sentences required):
Now that you have learned about the hydrophobic and self-cleaning elements of the lotus plant (and other "lotus-like" plants), what kinds of real world applications do you think this knowledge could be applied to?
(HINT: think of things like "self cleaning" glass)
