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