| Foster, Ellie - |
| Acids and Bases (21) | | Multiple Choice | 2009.04.11 |
| Al-Jabr (25) | | Multiple Choice | 2020.01.21 |
| Bicycle infrastructure (43) | | Multiple Choice | 2009.10.07 |
| Castle of Almodóvar del Río (14) | | Multiple Choice | 2021.01.15 |
| Chemical Mysteries of Ancient Alchemy (8) | | Multiple Choice | 2009.10.22 |
| Cogito, ergo sum (54) | | Multiple Choice | 2021.02.21 |
| David and Goliath (22) | | Multiple Choice | 2009.02.13 |
| Erosion and Weathering (17) | | Multiple Choice | 2009.09.04 |
| Exploring Coral Reefs (8) | | Multiple Choice | 2009.09.27 |
| Famous Military Quotes (9) | | Multiple Choice | 2009.02.08 |
| Fun Jewish Holidays and Celebrations (12) | | Multiple Choice | 2009.11.18 |
| Iconic Skyscrapers Around the World (28) | | Multiple Choice | 2009.03.16 |
| Maps and Globes (13) | | Multiple Choice | 2009.06.22 |
| Marco Palestra (15) | | Multiple Choice | 2018.02.21 |
| Mixtures and Solutions (8) | | Multiple Choice | 2009.03.03 |
| Mutiny on the Bounty (novel) (29) | | Multiple Choice | 2015.04.09 |
| Photon (63) | | Multiple Choice | 2021.12.14 |
| Piano Sonata in B minor (Liszt) (37) | | Multiple Choice | 2016.12.10 |
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