| Mammals | 8 | May 8, 2012 |
| Birds | 6 | May 8, 2012 |
| Reptiles | 8 | May 8, 2012 |
| Amphibians | 6 | May 8, 2012 |
| Fishes Vocabulary | 6 | May 8, 2012 |
| Animals Vocabulary | 17 | May 8, 2012 |
| Minerals | 13 | March 27, 2012 |
| Astronomy : Ch. 1 Earth, Moon and Sun | 22 | November 7, 2011 |
| Waves Ch. 3: The Electromagnetic Spectrum | 14 | October 19, 2011 |
| Sound and Light Ch. 1 Section 4: Seismic Waves | 6 | September 19, 2011 |
| Sound and Light Ch. 1 Section 3: Interactions of Waves | 11 | September 19, 2011 |
| Sound and Light, Ch.1 Section 2. Properties of Waves | 4 | September 19, 2011 |
| Sound and Light Ch. 1: Sections 1 and 2 | 15 | September 19, 2011 |
| Scientific Method | 18 | August 17, 2011 |
| Plants: Chapter 5 Sections 2 and 3 Gymnosperms and Angiosperms | 14 | May 2, 2011 |
| Plants: Chapter 5 Section 1 - Characteristics of Seed Plants | 11 | May 2, 2011 |
| Introduction to Plants (Ch. 4) | 17 | April 4, 2011 |
| Viruses and Bacteria - Ch. 2 | 21 | March 16, 2011 |
| What is Life? - Ch. 1 Plants | 22 | March 16, 2011 |
| Volcanoes | 31 | February 28, 2011 |
| Earthquakes (Inside Earth Ch. 2) | 29 | February 9, 2011 |
| Inside Earth Ch. 1 | 31 | January 28, 2011 |