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