Orthodox Jewish men go only to Orthodox synagogues. Non-Orthodox Jewish men would be likely to go to non-Orthodox places of worship.
In Israel, Canada, the United Kingdom, and the United States, there are prevalent numbers of non-Orthodox or Liberal synagogues. As a result, people in those places who are themselves Liberal can often find a Liberal synagogue in which to worship. Outside of those four countries, it is very rare to find a Liberal synagogue, so Jews of all religiousities (both Liberal and Orthodox) go to Orthodox synagogues for prayer, but will not perform all of the Orthodox Mitzvot when not in synagogue.
In order to concentrate on the prayers, not on the opposite sex.See also:More about Jewish prayer and synagogues
Yes. But in Orthodox synagogues, only the men can dance.
In Orthodox synagogues, men and women are seated separately.
Most of the time.
Yes, there is no gender segregation in synagogues other than Orthodox synagogues.
In Orthodox synagogues, men and women are seated separately.
On Orthodox Jewish men
Orthodox Jewish men sometimes do wear long robes.
Jews can worship almost anywhere. For group prayer, a minimum of ten men (amongst the Orthodox) or ten men and/or women (amongst almost all other groups) is required.
Orthodox Jewish men pray and sing to God.
In Yeshivas (for men), in Jewish seminaries (for women), in Jewish day-schools, and in classes in synagogues and other venues.
It is not permitted by Jewish law; and in Orthodox Jewish weddings the seating is separate for men and women.