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Nanotechnology Part 3

Total questions: 110

Worksheet time: 1hrs 21mins

Name
Class
Date
1.

Complete this sentence:

Biomimetics is the field in which we learn from ( ) to develop ( ) .

a)

technology/nature

b)

natural/technologies

c)

nature/technology

d)

systems/products

2.

Complete the sentence:

The kingfisher is good at diving because...

a)

it eats a lot of fish

b)

of the shape of its beak

c)

there is little resistance from the water

d)

of air resistance

3.

A person who practices biomimicry is called a:

a)

biologist

b)

biomimicrist

c)

material scientist

d)

biomimeticist

4.

What inspired these sticky shoes?

a)

Lizards

b)

Tree Sap

c)

Honey Bears

d)

Billy Goats

5.

Swimwear was influenced by the skin of:

a)

whales

b)

humans

c)

sharks

d)

dolphins

6.

The rough patterns on a shark's skin allows it to swim:

a)

evenly

b)

slower

c)

faster

d)

from side to side

7.

To protect the eyes of astronauts scientists studied:

a)

the sun

b)

owls

c)

eagles and falcons

d)

chickens and roosters

8.
_____ is the science of adapting nature's methods to practical material problems.
a)
biology
b)
endocrinology
c)
ecology
d)
biomimetics
9.

In biomimetics, people design things that imitate

a)

nature

b)

rocks

c)

water

10.

Pick 2 structures that function as a covering.

a)
b)
c)
d)
11.

Pick 2 structures that function in movement.

a)
b)
c)
d)
12.

Pick 2 structures that function for eating.

a)
b)
c)
d)
13.

An octopus can change the color and pattern of its skin to match the environment while hunting prey. How does this help the animal?

a)

to swim

b)

to play

c)

to breath

d)

to feed

14.

Choose the best answer. Which of the following structures best functions to protect an animal from predators?

a)

colorful feathers

b)

thick fur

c)

sharp spines

d)

short legs

15.

What does this animal most likely eat?

a)

grass

b)

fish

c)

nectar

16.

What does this animal most likely eat?

a)

grass

b)

fish

c)

nectar

17.

What does this animal most likely eat?

a)

grass

b)

fish

c)

nectar

18.

Check the structures that help with movement.

a)

A seagull's wings

b)

A ant's mouthparts

c)

A frog's tongue

d)

A tiger's padded feet

e)

An ostrich's long legs

19.

Check the structures that help with feeding

a)

A seagull's wings

b)

A ant's mouthparts

c)

A frog's tongue

d)

A tiger's padded feet

e)

A snake's fangs

20.

Choose the best answer to complete the sentence. Biomimetics is the study of animals to

a)

help scientist change animal behavior

b)

help scientist design things to help people

c)

help protect animals from predators

d)

help animals feed themselves.

21.

Does the structure pictured help the animal function in movement, eating or covering for protection?

Image: Dolphin's tail

a)

movement

b)

covering

c)

eating

22.

Does the structure pictured help the animal function in movement, eating or covering for protection?

Image: Porcupine Spines

a)

movement

b)

covering

c)

eating

23.

Does the structure pictured help the animal function in movement, eating or covering for protection?

Image: Ant's Legs

a)

movement

b)

covering

c)

eating

24.

Does the structure pictured help the animal function in movement, eating or covering for protection?

Image: Mosquito's Mouth

a)

movement

b)

covering

c)

eating

25.

Does the structure pictured help the animal function in movement, eating or covering for protection?

Image: Alpaca's Fur

a)

movement

b)

covering

c)

eating

26.

Does the structure pictured help the animal function in movement, eating or covering for protection?

Image: Eagle's Beak

a)

movement

b)

covering

c)

eating

27.

External structures for movement, include wings, fins and ___________.

a)

legs

b)

fur

c)

nature

d)

insects

e)

small animals

28.

An animal's mouth shape is adapted to what it eats. A frog's large, flexible mouth and sticky tongue are suited for catch any ______________ that fits in their mouth.

a)

insects

b)

fur

c)

nature

d)

insects

e)

small animals

29.

In biomimetics, people design things that imitate _______.

a)

insects

b)

fur

c)

nature

d)

insects

e)

small animals

30.

  1. 1. What is the main function of the nano-spider?

a)

A) To replace human surgeons


b)

B) To crawl along DNA molecules and assist in medical research

c)

C) To build large robotic structures

d)

D) To improve internet speed

31.

2️⃣ Which university led the research on the nano-spider?



a)

A) Harvard University

b)

B) Stanford University

c)

C) Columbia University

d)

D) MIT

32.

3️⃣ Why can the nano-spider be considered a robot?



a)

A) It can make decisions and move automatically

b)

B) It looks like a real spider

c)

C) It is controlled manually by scientists

d)

D) It has eight legs

33.

4️⃣ What are the nano-spiders made of?



a)

A) Metal and plastic

b)

B) DNA molecules and a protein called streptavidin

c)

C) Silicon chips

d)

D) Carbon fibers

34.

5️⃣ How many legs does the nano-spider have?



a)

A) Four

b)

B) Six

c)

C) Eight

d)

D) Ten

35.

6️⃣ How far can the new nano-spiders walk?



a)

A) Three steps

b)

B) 50 steps (around 100 nanometers)

c)

C) One kilometer

d)

D) They cannot move

36.

7️⃣ What is one possible future application of nano-spiders in medicine?

a)

A) Building skyscrapers


b)

B) Checking and treating cancerous cells

c)

C) Replacing artificial intelligence

d)

D) Cleaning the ocean

37.

  1. 1. In the first paragraph, the writer says that the nano-spider

a)

A) is much thicker than a human hair.

b)

B) cannot be seen under a microscope.

c)

C) was invented by an individual scientist.

d)

D) is an extremely small machine.

38.

2. Why does the writer suggest nano-spiders can be classified as robots?

a)

A) because they have the features of a robot

b)

B) because they can walk

c)

C) because they are built with computer chips

d)

D) because they are microscopic devices

39.

3. What does 'this' refer to in I. 30?

a)

A) the number of steps DNA walkers can manage

b)

B) the walking distance a DNA walker can do

c)

C) the length of the DNA walkers

d)

D) the time each step takes for a DNA walker

40.

4. What do we learn about nano-spiders in the fifth paragraph?

a)

A) They could protect our bodies from disease in the future.

b)

B) They are already being used to fight cancer.

c)

C) They have been used for various medical purposes in the past.

d)

D) They have not actually been invented yet.

41.

  1. 5.What does the writer say about arguments against the use of nanotechnology?

a)

A) People are concerned that it is used to build computer parts.

b)

B) People are concerned that nano-products are not tested before they are sold.

c)

C)There are concerns about whether the industry has strict rules for safety.

d)

D) There are no concerns about nanotechnology in medicine.

42.

6. All in all, the writer presents nanobots as devices which

a)

A) we should be afraid of.

b)

B) have already been in use for many years.

c)

C) may be very useful in the future.

d)

D) are mainly useful in industry.

43.

O que são os nanorrobôs construídos a partir de DNA?

a)

Nanorrobôs feitos de plástico

b)

Robôs gigantes feitos de DNA

c)

Nanorrobôs feitos de metal

d)

Dispositivos minúsculos construídos a partir de DNA

44.

Qual é a novidade dos nanorrobôs em 3D em comparação com a pesquisa anterior em robótica de DNA?

a)

São bidimensionais

b)

Podem se reproduzir

c)

São maiores em tamanho

d)

São feitos de materiais diferentes

45.

Qual é uma possível aplicação dos nanorrobôs de DNA em 3D?

a)

Fabricação de medicamentos dentro do corpo

b)

Construção de prédios

c)

Exploração espacial

d)

Limpeza de oceanos

46.

Quais são os riscos associados aos nanorrobôs de DNA em 3D?

a)

Produção de energia ilimitada

b)

Replicação descontrolada

c)

Capacidade de voar

d)

Cura de todas as doenças

47.

Qual é a incerteza relacionada ao dobramento de proteínas e estruturas 3D em células?

a)

Garantias de eficácia

b)

Limitações de uso

c)

Medidas de prevenção

d)

Segurança absoluta

48.

O que os especialistas afirmam sobre os cenários Apocalípticos na ficção científica envolvendo nanobots?

a)

São inevitáveis

b)

São garantidos de acontecer

c)

São improváveis de acontecer em condições reais

d)

São prováveis de acontecer

49.

Qual é o potencial dos nanorrobôs de DNA em 3D na medicina?

a)

Criar mais problemas de saúde

b)

Substituir médicos

c)

Revolucionar a medicina com aplicações diversas

d)

Causar mais doenças

50.

Which of the following is made up of carbon?

a)

Kevlar

b)

Lexan

c)

Spider silk

d)

Graphene

51.

What is the basic structural unit of a carbon nanotube?

a)

Graphene sheet

b)

Fullerene molecule

c)

Carbon atom

d)

Nanoparticle

52.

Which type of carbon nanotube has a single layer of carbon atoms arranged in a cylindrical structure?

a)

Multi-walled nanotube

b)

Single-walled nanotube

c)

Double-walled nanotube

d)

Triple-walled nanotube

53.

What is the typical diameter range of single-walled carbon nanotubes (SWCNTs)?

a)

1-10 nanometers

b)

10-100 nanometers

c)

100-1000 nanometers

d)

1-10 micrometers

54.

Which technique is commonly used for the synthesis of carbon nanotubes?

a)

Electroplating

b)

Chemical vapor deposition (CVD)

c)

Polymerization

d)

Sol-gel synthesis

55.

Carbon nanotubes exhibit exceptional electrical conductivity due to their

a)

High resistance

b)

Insulating properties

c)

Unique atomic structure

d)

Magnetic properties

56.

What is the strongest type of carbon nanotube in terms of mechanical properties?

a)

Zigzag

b)

Armchair

c)

Chiral

d)

Metallic

57.

Carbon nanotubes are classified into two main categories based on their electrical properties. What are these categories?

a)

Metallic and insulating

b)

Conductive and non-conductive

c)

Doped and undoped

d)

P-type and N-type

58.

Which Nobel Prize-winning material science discovery is closely related to carbon nanotubes?

a)

Superconductivity

b)

Superconductivity

c)

Graphene

d)

Polymer

59.

What is the basic structure of a carbon nanotube?

a)

Hexagonal lattice

b)

Tetrahedral lattice

c)

Octahedral lattice

d)

Cubic lattice

60.

Which famous discovery led to the isolation of carbon nanotubes?

a)

Synthesis of graphene

b)

Invention of the scanning tunneling microscope

c)

Development of the electron microscope

d)

Rediscovery of buckminsterfullerene

61.

Carbon nanotubes can be categorized into two main types based on their structure. What are these two types?

a)

Single-walled and double-walled

b)

Zigzag and armchair

c)

Metallic and semiconducting

d)

Chiral and achiral

62.

Which property of carbon nanotubes makes them excellent conductors of electricity? a) b) c) d)

a)

High resistance

b)

Low thermal conductivity

c)

High electrical conductivity

d)

Low density

63.

What is the term used to describe the unique helical arrangement of carbon atoms in a carbon nanotube?

a)

Chirality

b)

Isomerism

c)

Stereoisomerism

d)

Polymerization

64.

Carbon nanotubes have a high aspect ratio. What does this mean? a) b) . c) d) They have a high chiral angle.

a)

They have a high diameter-to-length ratio.

b)

They have a high density

c)

They have a high thermal conductivity

d)

hey have a high chiral angle

65.

What is the major drawback or challenge in the widespread use of carbon nanotubes in various applications?

a)

High cost of production

b)

Low availability of carbon

c)

Toxicity of carbon nanotubes

d)

Lack of electrical conductivity

66.

  1. What type of hybridization is commonly associated with carbon atoms in graphene and carbon nanotubes?


a)

  1. sp

b)

  1. sp2

c)

  1. sp3

d)

  1. sp4

67.

In graphene, each carbon atom forms ____ sigma bonds and ____ pi bonds.

a)

1 , 2

b)

2, 1

c)

3, 0

d)

0, 3

68.

  1. Which type of hybridization is characteristic of carbon atoms in diamond, a material distinct from carbon nanotubes?


a)

  1. sp

b)

  1. sp2

c)

  1. sp3

d)

  1. sp4

69.

Carbon nanotubes can be considered as rolled-up sheets of graphene. What type of hybridization is retained in the carbon atoms during this rolling process? a) b) sp2 c) d)

a)

sp

b)

sp2

c)

sp3

d)

sp4

70.

What is the name of the specific carbon nanotube structure that results from rolling up a single graphene sheet?

a)

Buckyball

b)

Graphene tube

c)

Fullerene

d)

Single-walled carbon nanotube

71.

Which type of carbon nanotube exhibits a seamless hexagonal lattice structure?

a)

Zigzag

b)

Armchair

c)

Chiral

d)

Helical

72.

How many carbon atoms are there in the repeating unit cell of a single-walled carbon nanotube?

a)

1

b)

2

c)

3

d)

4

73.

What is the primary factor that determines whether a carbon nanotube is metallic or semiconducting?

a)

Length

b)

Diameter

c)

Chirality

d)

Temperature

74.

Carbon nanotubes are known for their exceptional _____ properties, making them promising candidates for various applications.

a)

Thermal

b)

Electrical

c)

Magnetic

d)

Optical

75.

Which type of carbon nanotube is typically more conductive, metallic or semiconducting?

a)

Metallic

b)

Semiconducting

c)

Both have the same conductivity

d)

Neither is conductive

76.

In sp2 hybridization, how many sigma (σ) bonds can a carbon atom form?

a)

0

b)

1

c)

2

d)

3

77.

What is the shape of the orbitals involved in sp2 hybridization?

a)

Linear

b)

Trigonal planar

c)

Tetrahedral

d)

Octahedral

78.

In sp3 hybridization, how many sigma (σ) bonds can a carbon atom form?

a)

0

b)

1

c)

2

d)

3

79.

In a molecule with sp3 hybridization, what is the ideal bond angle between three sigma (σ) bonds around a central atom?

a)

90 degrees

b)

109.5 degrees

c)

120 degrees

d)

180 degrees

80.

What is the bond angle in a molecule with sp2 hybridization? a) 90 degrees b) 109.5 degrees c) 120 degrees d) 180 degrees

a)

90 degrees

b)

109.5 degrees

c)

120 degrees

81.

How many carbon atoms are there in a unit cell of the diamond crystal lattice?

a)

2

b)

4

c)

6

d)

8

82.

Which property of the diamond crystal structure contributes to its remarkable hardness?

a)

The presence of pi (π) bonds

b)

The ability to conduct electricity

c)

The strong covalent bonds between carbon atoms

d)

The cubic unit cell

83.

What type of hybridization do carbon atoms in a diamond crystal exhibit?

a)

sp

b)

sp2

c)

sp3

d)

sp4

84.

Diamond is known for its exceptional _____.

a)

Transparency to visible light

b)

Electrical conductivit

c)

Softness

d)

Brittle nature

85.
The word "nano" means:
a)
one millioneth
b)
one billioneth
c)
one thousandth
d)
one trillioneth
86.

The prefix "nano" comes from a ...

a)

French word meaning billion

b)

Greek word meaning dwarf

c)

Spanish word meaning particle

d)

Latin word meaning invisible

87.
Nanotechnology is an enabling technology that will impact many industries and applications.  Check all that apply.
a)
Electronics and computing
b)
Health and Medicine
c)
National Security and Space Exploration
d)
All of the Above
88.

What is nanotechnology?

a)

Study and manipulation of technology that is micro sized

b)

Study and manipulation of matter that is small but can still be seen by the human eyes

c)

Study and manipulation of matter at a scale of 1-100 nano meters

d)

Study and manipulation of matter that moves at a speed measured in nano seconds

89.

Why is nano-scale titanium dioxide used in suncream?

a)

It is cheap.

b)

It is antibacterial.

c)

It blocks ultraviolet light.

d)

It breaks down dirt.

90.
Nanotechnology allows the manipulation of atoms or molecules to create or modify materials at the nanoscale.
a)
True
b)
False
91.
The abbreviation for nanometer is:
a)
NM
b)
Nnm
c)
nm
d)
nmm
92.

Who discovered the first isolated graphene sample?

a)

Andre Geim

b)

Konstantin Novoselov

c)

Pablo Jarillo-Herrero

d)

Alexey Novoselov

93.

Graphene is made of ... atoms.

a)

Neon

b)

Carbon

c)

Silicon

94.

Which of this properties are specific to graphene?

a)

Flexible.

b)

Fragile

c)

Transparent

d)

Soft.

e)

Conductive

95.

What are the different types of renewable energy resources?

a)

Solar, wind, hydroelectric, geothermal, and biomass

b)

Electric, nuclear, geothermal

c)

Nuclear, fossil fuels, coal

d)

Coal, oil, natural gas

96.

Explain the concept of nanotechnology and its applications in the field of energy.

a)

Nanotechnology involves manipulating materials at the atomic or molecular scale. Its applications in energy include improving energy storage, increasing solar panel efficiency, and developing more efficient energy conversion devices.

b)

Nanotechnology is a type of renewable energy derived from natural sources. Its applications in energy include harnessing wind power, using geothermal energy, and utilizing hydroelectric power.

c)

Nanotechnology involves manipulating materials at the planetary scale. Its applications in energy include building larger wind turbines, drilling for oil, and mining coal.

d)

Nanotechnology is the study of ancient civilizations and their use of energy. Its applications in energy include studying the energy practices of ancient societies, analyzing historical energy consumption, and understanding traditional energy sources.

97.

What are the advantages and disadvantages of using fossil fuels as an energy resource?

a)

Advantages include high energy density and widespread availability. Disadvantages include environmental pollution and contribution to climate change.

b)

Advantages include low energy density and widespread availability. Disadvantages include minimal environmental pollution and no contribution to climate change.

c)

Advantages include high energy density and limited availability. Disadvantages include minimal environmental pollution and no contribution to climate change.

d)

Advantages include low energy density and limited availability. Disadvantages include minimal environmental impact and no contribution to climate change.

98.

How can nanotechnology be used to improve the efficiency of solar panels?

a)

By using larger materials to block sunlight from reaching the panels

b)

By increasing the size of the solar panels to capture more sunlight

c)

By reducing the use of nanomaterials in the panels to make them more efficient

d)

By creating nanomaterials that can enhance light absorption and electron transport within the panels.

99.

Discuss the potential environmental impacts of using nuclear energy as a power source.

a)

The potential environmental impacts of using nuclear energy include increased air pollution, deforestation, and habitat destruction.

b)

The potential environmental impacts of using nuclear energy include reduced greenhouse gas emissions, improved air quality, and increased biodiversity.

c)

The potential environmental impacts of using nuclear energy include decreased water contamination, reduced soil erosion, and enhanced ecosystem resilience.

d)

The potential environmental impacts of using nuclear energy include the release of radioactive materials, nuclear accidents, and the long-term storage of nuclear waste.

100.

Explain the concept of sustainable energy and its importance in today's world.

a)

Sustainable energy is not important and has no impact on climate change.

b)

Sustainable energy is only important for reducing costs, not for environmental reasons.

c)

Sustainable energy is important for reducing reliance on fossil fuels and mitigating climate change.

d)

Sustainable energy is a new concept and has not been proven to be effective.

101.

What are the challenges associated with the widespread adoption of hydrogen fuel cells?

a)

Limited availability, high cost, and difficult infrastructure

b)

No environmental impact, high efficiency, and low cost

c)

Unlimited availability, low cost, and easy infrastructure

d)

Environmental impact, infrastructure requirements, and cost

102.

How can nanotechnology be used to develop more efficient energy storage devices?

a)

By increasing the size of the materials to improve energy storage

b)

By reducing the surface area of the materials to enhance conductivity

c)

By creating nanostructured materials with high surface area and improved conductivity

d)

By using traditional materials with low surface area and poor conductivity

103.

Compare and contrast the use of wind energy and hydroelectric power as renewable energy sources.

a)

Hydroelectric power uses the kinetic energy of wind to generate electricity.

b)

Wind energy uses the kinetic energy of wind to generate electricity, while hydroelectric power uses the potential energy of water stored in dams or flowing in rivers to generate electricity.

c)

Wind energy uses the potential energy of water stored in dams to generate electricity.

d)

Both wind energy and hydroelectric power rely on solar energy to generate electricity.

104.

Discuss the role of government policies in promoting the use of sustainable energy resources.

a)

Reducing taxes on non-renewable energy sources

b)

Ignoring the environmental impact of energy production

c)

Cutting funding for renewable energy research and development

d)

Providing incentives, subsidies, and regulations to encourage the adoption of renewable energy technologies

105.

What are the potential environmental impacts of using geothermal energy as a power source?

a)

Increased air pollution, deforestation, and habitat destruction

b)

Reduced greenhouse gas emissions, improved air quality, and increased biodiversity

c)

Decreased water contamination, reduced soil erosion, and enhanced ecosystem resilience

d)

Release of geothermal gases, geothermal accidents, and the long-term storage of geothermal waste

106.

Explain the concept of tidal energy and its potential as a renewable energy resource.

a)

Tidal energy involves harnessing the energy from ocean tides to generate electricity. Its potential as a renewable energy resource lies in its predictability and minimal environmental impact.

b)

Tidal energy involves using the kinetic energy of wind to generate electricity. Its potential as a renewable energy resource lies in its high efficiency and low cost.

c)

Tidal energy involves using the potential energy of water stored in dams to generate electricity. Its potential as a renewable energy resource lies in its unlimited availability and low cost.

d)

Tidal energy involves using the kinetic energy of waves to generate electricity. Its potential as a renewable energy resource lies in its minimal environmental impact and easy infrastructure requirements.

107.

Discuss the role of energy efficiency in reducing overall energy consumption and promoting sustainability.

a)

Energy efficiency has no impact on overall energy consumption and sustainability.

b)

Energy efficiency is only important for reducing costs, not for environmental reasons.

c)

Energy efficiency is important for reducing reliance on fossil fuels and mitigating climate change.

d)

Energy efficiency is important for reducing overall energy consumption, lowering greenhouse gas emissions, and promoting sustainable development.

108.

Explain the concept of solar energy and its potential as a renewable energy resource.

a)

Solar energy involves harnessing the energy from ocean tides to generate electricity. Its potential as a renewable energy resource lies in its predictability and minimal environmental impact.

b)

Solar energy involves using the kinetic energy of wind to generate electricity. Its potential as a renewable energy resource lies in its high efficiency and low cost.

c)

Solar energy involves using the potential energy of water stored in dams to generate electricity. Its potential as a renewable energy resource lies in its unlimited availability and low cost.

d)

Solar energy involves using the kinetic energy of waves to generate electricity. Its potential as a renewable energy resource lies in its minimal environmental impact and easy infrastructure requirements.

109.

What are the different types of sustainable energy resources?

a)

Solar, wind, hydroelectric, geothermal, and biomass

b)

Electric, nuclear, geothermal

c)

Nuclear, fossil fuels, coal

d)

Coal, oil, natural gas

110.

Compare and contrast the use of geothermal energy and biomass energy as renewable energy sources.

a)

Biomass energy uses the kinetic energy of wind to generate electricity.

b)

Geothermal energy uses the kinetic energy of wind to generate electricity, while biomass energy uses the potential energy of organic materials to generate electricity.

c)

Biomass energy uses the potential energy of water stored in dams to generate electricity.

d)

Both geothermal energy and biomass energy rely on solar energy to generate electricity.

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