| Title | Terms | Created |
| Lesson 14: How Prairie Became Ocean | 10 | March 16, 2009 |
| Lesson 13: A drop of Water | 8 | March 16, 2009 |
| Lesson 12: Stormalong | 8 | March 16, 2009 |
| Lesson 11: Ultimate Field Trip 3: Wading Into Marine Biology | 7 | March 16, 2009 |
| Lesson 10: Sailing Home | 7 | March 16, 2009 |
| Lesson 9: The Secret Ingredient | 10 | March 16, 2009 |
| Lesson 8: Leonardo's House | 6 | March 16, 2009 |
| Lesson 7: When Washington Crossed the Delaware | 8 | March 16, 2009 |
| Lesson 6: When the Circus came to Town | 6 | March 16, 2009 |
| Lesson 5: The Night of San Juan | 7 | March 16, 2009 |
| Lesson 4: The Daring Nellie Bly: America's Star Reporter | 7 | March 16, 2009 |
| Lesson 3: Chang and the Bamboo Flute | 6 | March 16, 2009 |
| Lesson 2: Line Drive | 7 | March 16, 2009 |
| Lesson 1: Rope Burn | 6 | March 16, 2009 |
| The Arrangement of Stars | 2 | March 4, 2009 |
| Stars | 4 | March 4, 2009 |
| Social Studies Chapter 5 Vocabulary Lesson 3 | 5 | March 3, 2009 |
| Social Studies Chapter 5 Vocabulary Lesson 2 | 5 | March 3, 2009 |
| Social Studies Chapter 5 Vocabulary Lesson 1 | 6 | March 3, 2009 |
| Lesson 30: Exploring the Gulf Coast | 10 | February 26, 2009 |
| Lesson 29: The Man Who Went to the Far Side of the Moon | 6 | February 26, 2009 |
| Lesson 28: The Top of the World | 6 | February 26, 2009 |
| Lesson 27:Klondike Kate | 7 | February 26, 2009 |
| Lesson 26: Lewis and Clark | 8 | February 26, 2009 |
| Lesson 25: The Compassion Campaign | 10 | February 26, 2009 |
| Lesson 24: Chester Cricket's Pigeon Ride | 7 | February 26, 2009 |
| Lesson 23: Any Small Goodness | 6 | February 26, 2009 |
| Lesson 22: The Power of W.O.W! | 7 | February 25, 2009 |
| Lesson 21: Interrupted Journey | 6 | February 25, 2009 |
| Lesson 20: The Invention Convention | 10 | February 25, 2009 |
| Lesson 19: Inventing the Future | 6 | February 25, 2009 |
| Lesson 18: Project Mulberry | 6 | February 24, 2009 |
| Lesson 17: Nothing Ever Happens On 90th Street | 7 | February 19, 2009 |
