To show the chanachim that the worl is not a coincidence, that G-D controls everything and so that they will appreciate what goes on around them.To try and get the chanachim to be familiar with the creation (or at least with parshat bereshit).

Since different countries have completely different cultures and languages, making aliyah can be very difficult for these people; But they still do.

Teach the chanachim about kibbutzim.