| divisionset3_lsdevine | 65 | November 10, 2011 |
| division2_lsdevine | 77 | November 10, 2011 |
| lsdevinedivision1 | 2 | November 10, 2011 |
| subtraction2_lsdevine | 21 | November 10, 2011 |
| subtractionset1_lsdevine | 64 | November 9, 2011 |
| addition set 2_lsdevine | 40 | November 9, 2011 |
| AccChemIons_lsdevine | 21 | April 18, 2011 |
| Reactions_lsdevine | 23 | January 6, 2011 |
| solutions_lsdevine | 48 | December 14, 2010 |
| Waves_lsdevine | 33 | December 14, 2010 |
| Additon Facts 1-10_lsdevine | 65 | December 7, 2010 |
| Ionic and Molecular Naming_lsdevine | 25 | December 6, 2010 |
| IonsA_lsdevine | 17 | November 19, 2010 |
| Newton_lsdevine | 31 | November 16, 2010 |
| ChemGas_lsdevine | 33 | November 14, 2010 |
| Motion_lsdevine | 15 | November 6, 2010 |
| Acids and mixtures_lsdevine | 20 | November 6, 2010 |
| ChemHeat_lsdevine | 41 | November 5, 2010 |
| Multiple and divide whole numbers_lsdevine | 77 | November 5, 2010 |
| Int4Reactions_lsdevine | 38 | October 15, 2010 |
| Bonding_lsdevine | 57 | October 15, 2010 |
| int3electrons | 40 | October 5, 2010 |
| Chem2Sig_lsdevine | 16 | October 5, 2010 |
| Chem2Pd_lsdevine | 53 | October 1, 2010 |
| Chem1_lsdevine | 36 | September 30, 2010 |
| Atom4_lsdevine | 10 | September 29, 2010 |
| Atom3_lsdevine | 10 | September 29, 2010 |
| Atom2_lsdevine | 10 | September 29, 2010 |
| Atoms_lsdevine | 10 | September 29, 2010 |