In synagogues.
Yes. And they still do today.
Hebrews today are called Jews. A Jewish house of worship is called a synagogue or temple, but Jews can worship anywhere they want, at any time.
Jews do not worship "activities"; they worship the singular God.
Jews face in the direction of Jerusalem when they worship.
if you are asking where the Jewish religion originated, the answer is Israel. If you are asking where Jews worship today, the answer is that Jews live in most countries of the world.
The Jewish house of worship is called synagogue, although Jews can worship G-d anywhere at any time.
Jews worship in synagogues. there are synagogues wherever Jews live throughout the world.
None as Jews do not worship any physical items.
The Jews do not worship ANY people. Worshipping people is a violation of Jewish law. Jews only worship God.
The Jewish people worship God in whichever country they live in. They also believe in Christ but do not worship Him. Some countries where the Jews live may ban worship altogether, but Jews can worship in their mind.
Jews worship God whether or not synagogues are available.
Jews worship God in synagogues, every day of the year.