| A | B |
| Muhammad | Founder of Islam |
| Battle of Tours | Ended Muslim Expansion |
| Dome of the Rock | Example of Islamic Architecture |
| Mecca and Medina | Holy cities of Islam on the Arabian Peninsula |
| Qur'an | Holy Text of Islam |
| Monotheism | Belief in ONE god. |
| Polytheism | Belief in multiple gods. |
| Allah | Arabic word for God |
| Five Pillars of Islam | Basic beliefs of Islam |
| Arabic | Language of the Islamic Empire |
| Death of Ali | Led to a division in Islam |
| Sunni and Shi'a | Two sects of Islam |
| Baghdad | Capital of Islamic Empire |
| Algebra and Arabic Numerals | Contribution of Islamic Empire |
| Mongols | Nomadic groups from Asia that conquered Baghdad |
| Universities | Expanded knowledge in the Muslim Empire |
| Trade Routes | Islam spread along these to other areas |
| Byzantine and Persian Empires | Weakened and allowed Islam to spread |
| Islam | Religion that started on the Arabian Peninsula |
| Muslims | Followers of Islam |