Speaking English: WHILE or MEANWHILE?

Meanwhile vs. While

I will do my homework while you watch TV.

I went to a concert. Meanwhile, my friend was at a restaurant.

Meanwhile

 - connect 2 sentences

 - at the beginning of the 2nd sentence

While

 - 1 sentence, 2 actions

 - beg. or mid. of sentence

Everyday, I eat breakfast while reading the newspaper.

While you sang, I took pictures of you.

Mom worked all day. Meanwhile, I was at school.

Meanwhile

 - comma

 - followed by subject

While

 - no comma

 - sometimes subject, sometimes -ing verb

People were at home watching TV. Meanwhile, aliens were planning their invasion of the Earth.

While I was waiting for Jeremy, I heard a loud noise.

I read a lot of books while I was on the airplane.

References

http://www.engvid.com/while-meanwhile/