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