| Leonard, Alexandria - |
| Artificial intelligence in everyday life (19) | | Multiple Choice | 2011.06.25 |
| Biodiversity in the Amazon rainforest (9) | | Multiple Choice | 2011.08.19 |
| Conservation of pink dolphins in the Amazon River (15) | | Multiple Choice | 2011.10.20 |
| Cultural Significance of Mahjong in East Asia (13) | | Multiple Choice | 2011.06.11 |
| Exploring Colombia's gold mining history (9) | | Multiple Choice | 2011.11.07 |
| Exploring Colombia’s moors (paramos) (9) | | Multiple Choice | 2011.04.19 |
| Exploring the role of Gabriel García Márquez in literature (9) | | Multiple Choice | 2011.01.08 |
| Famous Landmarks Around the World (43) | | Multiple Choice | 2011.06.13 |
| Famous Landmarks in Your Country (42) | | Multiple Choice | 2011.06.21 |
| Famous Last Words of Historical Figures (8) | | Multiple Choice | 2011.03.03 |
| Folklore of the Northern Lights (8) | | Multiple Choice | 2011.04.02 |
| Futurism in 20th-Century Architecture (9) | | Multiple Choice | 2011.09.09 |
| How Bogotá became the capital of Colombia (9) | | Multiple Choice | 2011.09.01 |
| How Chess Changed Warfare Tactics (9) | | Multiple Choice | 2011.10.21 |
| How computers read binary code (8) | | Multiple Choice | 2011.01.03 |
| How coral reefs grow and why they matter (18) | | Multiple Choice | 2011.04.09 |
| How Did Bread Become a Staple Food? (20) | | Multiple Choice | 2011.06.08 |
| How Do Clouds Form? (21) | | Multiple Choice | 2011.12.26 |
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