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