'on the street' 'on' is used to mean in contact with the surface of the street .'on the street' could mean also eventuating on a certain street. 'He lived on X street.' ( thea ction of living eventuating on that street). 'Homeless children living on the street ( they literally do sleep on the surface of pavements, thus on the streets). - As an expression 'on the street' could mean homeless or unemployed, a totally unique meaning in this case. ' in the street' Here 'in' means within the boundaries of a particular street. It is not 'in' in the sense of 'inside', because a street is 2 dimensional ."In' signifyies something or someone being, resting, or moving within the limits of a certain street. The children are playing in the street ( in the limit of a certain street). He is walking in the street X .

In the street (BritEng), On the street (AmEng)

(I don't think above answer is correct) It depends on the meaning of the sentence; There's a rumble in the streets. The dogs are not allowed on the streets. But honestly speaking, I'm not sure how to explain the difference. Sorry...

In the general meaning of the 2 prepositions, IN is used to convey that something is contained or inside. For example, Emilia is in the room The file is in the CD I always keep that rule in the mind! ON is used to describe a position for surfaces or a position just above or outside an area. Example, Emilia is on the roof of the house, because her cat is trapped there the title of the file is on the CD we can see dolphins swim on the surface of the sea from the Helicopter. hope i helped!

They're the same.