How to use WHEREAS & WHILE, Example Sentences While and Whereas are conjunctions. They link two ideas that contrast with each other. Example Sentences Chicken meat is white, whereas that of an ox is red. My father is wealthy whereas we are poor. Whereas we did all the job, they enjoyed themselves. The old system was fairly complicated whereas the new system is really very simple. The south has a hot, dry climate, whereas the north has a milder, wetter climate. I am poor, whereas my sisters are very rich. While you help her, she doesn’t help anyone. While I