| A | B |
| Buddhism | Religion based on the teachings of Buddha (Siddhartha Gautama), who achieved enlightenment through meditation and ethics. |
| Caste System | Grouping Indian society/people based on rank, wealth, or job. |
| Cultural Diffusion | The spreading of ideas from one culture to another. |
| Delta | A triangle shaped area of land mass from soil left at the end (mouth) of a river |
| Economy | The way a country manages money and resources. |
| Hinduism | The main religion of India with many gods and a universal spirit. |
| Inoculation | Injecting a person with a small dose of infective material to help build a defense to a disease. |
| Karma | Buddhist and Hindu belief that good or bad actions influence a person’s soul. |
| Metallurgy | The science of working with metals. |
| Reincarnation | The belief of both Buddhists and Hindus that souls are reborn many times. |
| Sanskrit | The most important language of ancient India. |