11) What is the name of the holiest city in Islam?
12) Who is the Islamic Prophet?
13) What is the name of the central religious text of Islam?
14) How many times a day must an observant Muslim pray?
15) Who wrote the first Islamic constitution, known as "The Covenant of Madina?"
16) What is the official language of Islam?
17) What does "shahadah" refer to in Islamic faith?
18) What is the Islamic calendar based on?
19) How old is a Muslim when they are considered an adult?
20) What is the central belief of Islam?