| CPO Matter Scientists 18 & 19 ONLY | 13 | December 13, 2012 |
| CPO Chapter 25 terms - Heat | 10 | October 1, 2012 |
| CPO Chapter 17 terms Properties of Matter | 9 | April 24, 2012 |
| CPO Chapter 16 terms Defining Matter | 10 | April 24, 2012 |
| CPO Chapter 1 terms | 29 | April 24, 2012 |
| CPO Electricity Terms (chapters 6-10) | 40 | April 24, 2012 |
| CPO Chapter 15 terms Light Optics | 23 | April 23, 2012 |
| CPO Chapter 14 terms Light and Color | 16 | April 23, 2012 |
| CPO Chapter 12 terms Waves | 26 | April 23, 2012 |
| CPO Chapter 11 terms Harmonic Motion | 9 | April 23, 2012 |
| CPO Chapter 3 terms Motion and Forces | 19 | April 23, 2012 |
| CPO Chapter 2 terms Mathematical Models | 13 | April 23, 2012 |
| CPO Chapter 4 terms | 18 | February 6, 2012 |
| CPO Chapter 5 terms Work and Energy | 17 | February 6, 2012 |
| Element symbols to know 48 | 48 | December 2, 2011 |
| Common Chemical Compounds | 31 | December 2, 2011 |
| CPO Chapter 18 Atoms and Elements | 16 | December 1, 2011 |
| CPO Chapter 23 Solutions Terms | 20 | November 30, 2011 |
| CPO Matter Scientists | 23 | November 30, 2011 |
| CPO Chapter 22 Chemistry and the Environment | 19 | November 29, 2011 |
| CPO Chapter 20 Chemical Reactions | 14 | November 29, 2011 |
| CPO Chapter 19 Molecules and Compounds | 18 | November 29, 2011 |
| CPO Chapter 16 - Matter | 10 | November 29, 2011 |