| A | B |
| hydroelectric power | electrical energy generated by falling water |
| Three regions of Latin America | Middle America, Caribbean, South America |
| Andes Mountains | mountain range that forms the western edge of South America |
| gauchos | ranchers in the pampas, like cowboys |
| Amazon River | Western Hemisphere's longest river |
| Lake Titicaca | World's highest navigable lake |
| Lake Maracaibo | South America's largest lake |
| Lake Nicaragua | Cental America's largest lake |
| Which two "key lines" does much of Latin America lie | Tropic of Cancer and Tropic of Capricorn |
| Where is the world's largest rain forest | Amazon Basin |
| What causes Latin America's varied climates | elevation |
| How was the Atacama desert formed | rain shadow effect of the Andes |
| steppe climate | hot summers, cool winters, and light rainfall |
| What happens to the Amazon River during rainy parts of the year? | flooding |
| What is a canopy? | the continuous layer of leaves covering the tropical rain forest |