What is the role of Physics in our daily life ? With Examples

WHAT IS POTENTIAL ENERGY

why does puri float on oil while frying

what is scientific method?

 do round magnets have poles?

if yes,where?

What is streamlined body and what is thermos flask ?

I didn't understand how physics is being relationed to technology,society.

what is a phenomenon?

 dear madam,

                         i did not understand this concept of physics clearly.it is not as clear as i needed.rather it is not as in my book.

                                                                   please explain.

                                                                                     yours sincerely sruti

 what is electromagnetism ?

can you please difine chemistry in brief.

I don't understand how physics is being relation to technology

what is the full form of CFL?

explain relative density

difference between pinhole images and shadows