| The world of Energy Transformation | 8 | May 21, 2013 |
| Earth's Atmosphere 2 | 13 | May 20, 2013 |
| Genetics and Heredity Set 2 | 10 | January 9, 2013 |
Scientific Method III | 6 | September 25, 2012 |
| The world of Motion and Forces | 14 | March 12, 2012 |
| the world of cells | 8 | October 18, 2011 |
| Cell organelles and jobs | 15 | October 17, 2011 |
| Scientific Method II | 7 | September 15, 2011 |
Scientific Method I | 8 | September 15, 2011 |
| Human Biology Chapter 3 and 4 | 11 | February 7, 2011 |
| Human body systems work together | 11 | January 14, 2011 |
| Human Biology Chapter 1 and 2 | 10 | April 26, 2010 |
| Genetics and Heredity Set 1 | 10 | April 13, 2010 |
| Earth's Atmosphere 1 | 14 | September 21, 2009 |
| Spanish speaking South America | 14 | May 22, 2009 |
| Human geography | 21 | March 16, 2009 |
| Ecology Unit D | 19 | February 10, 2009 |
| Space Unit E | 18 | January 9, 2009 |
| Space | 9 | January 9, 2009 |
| The Middle Ages and Renaissance | 14 | December 9, 2008 |
| Classical Greece and Rome section 2 | 10 | December 1, 2008 |
| Rocks Chapter 3 | 11 | November 25, 2008 |
| Minerals Chapter 2 | 12 | November 25, 2008 |
| Europe's Dramatic Landscape section 1 | 8 | November 24, 2008 |
| Plate Tectonics Chapter 3 | 22 | November 7, 2008 |
| Temperature and Heat Chapter 2 | 13 | October 16, 2008 |
| Energy Chapter 1 | 6 | October 16, 2008 |