The Nano World

It is a branch of science and engineering devoted to designing, producing, and using structures, devices, and systems by manipulating atoms and molecules at nanoscale.

Below are characteristics do nano-engineered products true EXCEPT________________.

           

                        

•   a. All were created using nanotechnology

• b. All behave in an unexpected way

• c. All have unique physical properties

• d. All have unique chemical properties

Which of the following would be an example of a nanosize object?

                                                                                  

                                                     

• a. Bike

• b. Grain of sand    

• c. Printed words in a textbook

•        d. Chromosomes

We can use nanotechnology to alter physical properties of matter by arranging and rearranging what?

                                                  

• a. Newton's laws

•     b. Nanowhiskers

•   c.  Atoms

• d. LittleBits

.___________ are used to create stronger and lighter equipment such as bikes and tennis rackets.

                    

• a. Macrotubes

• b. Carbon nanotubes

• c. Microtubes                    

• d. Nanowhiskers