| A | B |
| Aztec capital | tenochtitlan |
| meaning of tenochtitlan | "place of the prickly pear cactus" |
| vertical economy | crops grown in relation to elevation; different crops are grown as the climate changes with elevation |
| Aztec "floating gardens" | chinampas |
| codex | a written record book |
| epidemic | the rapid spread of a disease throughout a population |
| Aztec god of war and sun | Huitzilopochtli |
| Aztec god of rain | Tlaloc |
| Inca god of the sun | Inti |
| the Aztec god that Moctezuma originally thought Cortes might have been | Quetzalcoatl |
| Aztec settlements or neighborhoods in the capital | calpullis |
| tribute | a tax paid in goods or services |
| terrace farming | cutting flat fields into the slopes of the hills to prevent erosion |
| the emperor of the Aztec when the Spanish arrived | Moctezuma |
| the emperor of the Inca when the Spanish arrive | Atahualpa |
| the Spanish conqueror of the Aztec | Hernan Cortes |
| the Spanish conqueror of the Inca | Francisco Pizarro |
| The century in which the Spanish arrived in the Americas | 1500's |
| the mountain range of South America | Andes |
| the capital of the Incas | Cuzco |