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STS-CHAPTER 10- THE_NANO_WORLD
Contributed by: Dejito
  • 1. 1. Which of the following best defines nanotechnology?
A) The study of chemical reactions in living organism 
B) The measurement of astronomical distances 
C) The manipulation of matter at the atomic and molecular scale 
D) The study of very large structures in physics
  • 2. 2. What type of microscope can magnify objects up to a million times?
A) Light microscope
B) AFM
C) Electron microscope
D) STM
  • 3. 3. Which scenario best demonstrates the advantage of nanoscale materials over bulk materials?
A) A metal rod that is painted blue
B) A sunscreen that uses nanoparticles to become transparent
C) A glass window that is simply thicker
D) A plastic bottle that is larger
  • 4. 4. If a nanomaterial is engineered incorrectly, which impact is MOST likely to
    occur?
A) It turns into a gas
B) It may create toxic effects inside cells
C) It stops conducting electricity
D) It becomes too large to be seen
  • 5. 5. Why are nanoparticles effective in drug delivery systems?
A) They cannot dissolve
B) They can target specific cells
C) They are too big for receptors
D) They lose chemical properties
  • 6. 6. A top-down method is MOST appropriate when…
A) A large material is being broken into nanoscale structures
B) Precision at the atomic level is needed
C) A chemical reaction is being reversed
D) Molecules self-assemble naturally
  • 7. 7. Which scenario shows a misuse of nanotechnology?
A) Smart fabrics adjusting temperature
B) Water filters using nanotubes
C) Nanorobots scanning for diseases
D) Nanoparticles used in surveillance without consent
  • 8. 8. Which situation best shows nanotechnology in everyday life?
A) A larger cellphone
B) A metal spoon
C) Sunscreen that becomes invisible on the skin
D) A regular toothbrush
  • 9. 9. Which device uses a mechanical probe to scan surfaces?
A) Light microscope
B) STM
C) Electron microscope
D) AFM
  • 10. 10. Who developed carbon nanotubes in 1991?
A) Kim Eric Drexler
B) Norio Taniguchi
C) Sumio Iijima
D) Richard Feynman
  • 11. 11. Bottom-up fabrication builds materials starting from:
A) Atoms and molecules
B) Broken fragments
C) Light particles
D) Big chunks of materials
  • 12. 12. Which field has benefited the most from nanotechnology?
A) Philosophy
B) Engineering
C) Culinary Arts
D) Medicine and Health Sciences
  • 13. 13. Dip Pen Lithography involves:
A) AFM tip writing on a surface
B) Scanning particles
C) Printing large images
D) Heating metals
  • 14. 14. Chemical Vapor Deposition is used to create:
A) Large rocks
B) All of the above
C) Plastic bags
D) Solar wind
E) High-performance thin films
  • 15. 15. Nanoimprint lithography works by:
A) Laser cutting
B) Stamping nanoscale patterns
C) Blowing air
D) All of the above
E) Melting metals
  • 16. 16. What is the key advantage of working at the nanoscale?
A) Clean the ocean alone
B) Increased material cost
C) Limited precision
D) New physical and chemical properties
  • 17. 17. Silver nanoparticles in fabrics are used to:
A) Add shine
B) Kill odor-causing bacteria
C) All of the above
D) Make clothes heavier
E) Change color
  • 18. 18. Which product uses nanoparticle-based electrodes?
A) Umbrellas
B) Lithium-ion batteries
C) All of the above
D) Toys
E) Paper
  • 19. 19. Nanomaterials in windmill blades make them:
A) Weaker
B) More fragile
C) Lighter and stronger
D) Longer
  • 20. 20. Iron nanoparticles are used to:
A) Clean water contaminants
B) Increase plant growth
C) Change soil color
D) Make metals shiny
  • 21. 21. In the economy, nanotechnology can:
A) Decrease all jobs
B) Only help rich countries
C) Create new industries and products
D) Stop trade
  • 22. 22. Roll-to-roll processing is used to make:
A) Clothing
B) All of the above
C) Heavy machines
D) High-volume nanoscale devices
E) Food
  • 23. 23. Nanotechnology is important because it:
A) Has no use in society
B) Makes things big
C) Can improve health, environment, and technology
D) Only helps scientists
  • 24. 24. Which is a possible risk of nanoparticles in the environment?
A) They block sunlight
B) They can enter living organisms easily
C) They turn soil into sand
D) They make water taste sweet
  • 25. 25. Why are nanomaterials often stronger than normal materials?
A) They contain water
B) Atoms are packed differently
C) They are made of plastic
D) They are new
  • 26. 26. When did Binnig and Rohrer receive the Nobel Prize in Physics for inventing
    the STM?
A) 1991
B) 1959
C) 1986
D) 1974
  • 27. 27. What made the discovery of carbon nanotubes significant?
A) They led to stronger, lighter materials
B) They are the first nanoparticles ever created
C) They glow when heated
D) They can cure diseases instantly
  • 28. 28. What major idea did Feynman introduce in 1959?
A) Quantum dots
B) Atomic-level manipulation is possible
C) Self-cleaning surfaces
D) Nano-silver bandages
  • 29. 30. Which everyday item often contains nanoparticles?
    a.
    b.
    c.
    d.
A) Rice cooker
B) Toothpaste
C) All of the above
D) Wooden spoon
E) Pillow
  • 30. 31. Nanotechnology studies materials that behave differently at very small scales.
A) TRUE
B) FALSE
  • 31. 32. A nanometer is larger than a human hair.
A) FALSE
B) TRUE
  • 32. 33. Richard Feynman talked about shrinking things to perform tasks
A) TRUE
B) FALSE
  • 33. 34. Norio Taniguchi invented the term "nanotechnology."
A) TRUE
B) FALSE
  • 34. 35. Electron microscopes can magnify objects less than light microscopes
A) FALSE
B) TRUE
  • 35. 36. Atomic force microscope uses a mechanical probe.
A) FALSE
B) TRUE
  • 36. 37. Scanning tunneling microscopes cannot view atoms.
A) FALSE
B) TRUE
  • 37. 38. Bottom-up fabrication starts from large materials
A) FALSE
B) TRUE
  • 38. 39. Dip Pen Lithography uses an AFM tip dipped in chemical ink
A) FALSE
B) TRUE
  • 39. 40. Self-assembly happens without external control.
A) FAlSE
B) TRUE
  • 40. 41. Nanomedicine cannot help in drug delivery.
A) FALSE
B) TRUE
  • 41. 42. Nanotechnology can help create flexible, bendable phones.
A) TRUE
B) FALSE
  • 42. 43. Silver nanoparticles in fabrics help remove wrinkles only.
A) TRUE
B) FALSE
  • 43. 44. Nanoparticles can help create stronger sports equipment.
A) TRUE
B) FALSE
  • 44. 45. Nanoparticles always have zero risk to health.
A) FALSE
B) TRUE
  • 45. 46. Nanotechnology can help clean contaminated water
A) TRUE
B) FALSE
  • 46. 47. Nanotechnology has no impact on culture or traditions
A) FALSE
B) TRUE
  • 47. 48. The economy may benefit from new jobs due to nanotechnology
A) TRUE
B) FALSE
  • 48. 49. Nanotechnology may require new political regulations
A) FALSE
B) TRUE
  • 49. 50. Nanotechnology always uses safe and harmless materials
A) TRUE
B) FALSE
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