| A | B |
| monsoon | Seasonal winds that bring rain |
| subcontinent | Large land mass that juts out from a continent |
| caste | Unchangeable social group into which a person is born |
| Himalayas | Highest mountains in the word on northeast border of India |
| Hindu Kush | Mountain northwest of India and mostly in modern Afghanistan |
| Khyber Pass | An opening in the Hindu Kush through which Aryans migrated into ancient India |
| Mohenjo-daro | Ancient Indian city |
| Aryans | People from central Asia who migrated into India & who replaced Harappan civilization |
| Indus River | First Indian civilization on this river |
| Harappans | Early settlers in Indus River vally who built planned cities |
| planned cities | Cities built on a grid system |
| Golden Age | Gupta Empire |
| Arabic numerals | 1-9; invented by Gupta mathematicians |
| zero | Invented by Gupta math. |
| Hinduism | major religion brought by Aryans |
| math and literature | Golden Age of the Gupta |
| Mauryan Empire | roads, hospitals, united India |
| Ganges River | Holy to Hindus |
| Asoka | Mauryan emperor spread Buddhism to China |
| Classical Age | Mauryan and Gupta |