A) The manipulation of matter at the atomic and molecular scale B) The study of chemical reactions in living organism C) The study of very large structures in physics D) The measurement of astronomical distances
A) AFM B) STM C) Electron microscope D) Light microscope
A) A metal rod that is painted blue B) A plastic bottle that is larger C) A glass window that is simply thicker D) A sunscreen that uses nanoparticles to become transparent
A) It turns into a gas B) It stops conducting electricity C) It may create toxic effects inside cells D) It becomes too large to be seen
A) They lose chemical properties B) They are too big for receptors C) They can target specific cells D) They cannot dissolve
A) Molecules self-assemble naturally B) Precision at the atomic level is needed C) A chemical reaction is being reversed D) A large material is being broken into nanoscale structures
A) Smart fabrics adjusting temperature B) Nanoparticles used in surveillance without consent C) Water filters using nanotubes D) Nanorobots scanning for diseases
A) Sunscreen that becomes invisible on the skin B) A regular toothbrush C) A metal spoon D) A larger cellphone
A) AFM B) Light microscope C) Electron microscope D) STM
A) Norio Taniguchi B) Sumio Iijima C) Kim Eric Drexler D) Richard Feynman
A) Light particles B) Broken fragments C) Atoms and molecules D) Big chunks of materials
A) Engineering B) Philosophy C) Medicine and Health Sciences D) Culinary Arts
A) Heating metals B) AFM tip writing on a surface C) Scanning particles D) Printing large images
A) Plastic bags B) High-performance thin films C) Large rocks D) All of the above E) Solar wind
A) Melting metals B) All of the above C) Laser cutting D) Blowing air E) Stamping nanoscale patterns
A) Limited precision B) Increased material cost C) Clean the ocean alone D) New physical and chemical properties
A) Kill odor-causing bacteria B) All of the above C) Add shine D) Make clothes heavier E) Change color
A) Lithium-ion batteries B) Umbrellas C) Toys D) Paper E) All of the above
A) Longer B) Lighter and stronger C) Weaker D) More fragile
A) Change soil color B) Clean water contaminants C) Increase plant growth D) Make metals shiny
A) Create new industries and products B) Stop trade C) Only help rich countries D) Decrease all jobs
A) Clothing B) Food C) High-volume nanoscale devices D) All of the above E) Heavy machines
A) Has no use in society B) Makes things big C) Only helps scientists D) Can improve health, environment, and technology
A) They make water taste sweet B) They turn soil into sand C) They block sunlight D) They can enter living organisms easily
A) They contain water B) They are made of plastic C) They are new D) Atoms are packed differently
A) 1974 B) 1986 C) 1991 D) 1959
A) They are the first nanoparticles ever created B) They can cure diseases instantly C) They led to stronger, lighter materials D) They glow when heated
A) Self-cleaning surfaces B) Atomic-level manipulation is possible C) Quantum dots D) Nano-silver bandages
A) Toothpaste B) All of the above C) Pillow D) Rice cooker E) Wooden spoon
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