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