New answer: Reform Jews tend to be less strict than Orthodox, Ashkenazi, Sephardic Jews, but that doesn't mean that they are not observant at all. They wear the kippah (skull cap), tallitot, kittel, etc. Reform services are a lot more relaxed in terms of dress codes, though. However, that doesn't mean the Jew is more relaxed in their attitude to G-d. Old answer: pretty much anything anyone else wears
It's mostly the Orthodox Jews that do that.
Yes. Orthodox Jews do "everything by the book". Reform Jews do anything they want.
That depends on the countries and on whether the Jews were orthodox or Reform. In Germany, for example, the majority of Jews were NOT orthodox and dressed very inconspicuously - as in many other countries.
Reform Jews have only 1 seder instead of 2.
Reform Judaism had its origins in the Ashkenazi community, but there are plenty of Ashkenazi Orthodox Jews and plenty of Reform Jews with Sephardic backgrounds. In Europe, you can find Liberal synagogues (analogous to the Reform movement in the United States) that are dominated by Sephardic Jews, predominantly in French speaking countries that welcomed many Algerian Jews after the collapse of French North Africa.
orthodox Jews are traditional and reform Jews have mordenised their traditional ways
Orthodox follow halacha; Reform don't.
Yes. My maternal grandmother was Orthodox and married a Reform Jew and she switched to Reform Judaism.
Orthodox Jews are the people that want to keep tradition. Reform want 2 change things. I think that Orthodox Jews chose to break away from orthodox tradition and become reform Jews because they didn't like the whole tradition of orthodox Jews and all the rules they had to stick to such as observe all 613 laws as strictly as possible. So I think they changed so that they could have a bit more freedom from all these rules although there were still rules being reform Jews but at least if they change to reform Jews it changes (reform means change things).
There is no such thing as the "reform church" or a church of any kind in Judaism.
There is no such thing as a "reformed" Jew. It is called "reform Jew". Reform Jews celebrate passover as a commoration of the exodus of the ancestors of the Jews from Egypt and into freedom, which is the same meaning passover has to Conservative and Orthodox Jews.