| A | B |
| Subcontinent | A large landmass that is smaller than a continent. |
| Monsoons | Seasonal wind patterns that cause a wet and dry season. |
| Himalayas | Earth’s tallest mountain range, included Mr. Everest. Provides a natural border for India. |
| Sanskrit | The written language of ancient India. |
| Caste System | Divided Indian society into groups based on person’s birth. |
| Golden Age | Period of prosperity, peace, and progress during the Gupta Empire. Advances were made in science, literature, and the arts. |
| Aryans | Indo-European nomads who invaded India between 1500 & 1000 BCE. They brought the caste system with them. |
| Harappa | An ancient civilization that developed along the Indus River. |
| Mohenjo-Daro | A city in the Harappan civilization. This city showed signs of city planning, sewer system, and standardization of weights and measurements. |
| Sewer System | A system of clay pipes that led from bathrooms to underground drains. |