| Week of September 15, 2008 | Q #320 | A #320 | (available 9/22/2008) | |
| Week of May 19, 2008 | Q #319 | A #319 | (available 5/26/2008) | |
| Week of May 12, 2008 | Q #318 | A #318 | (available 5/19/2008) | Demonstration I1-71: SHAPE-MEMORY ALLOY - THERMOBILE |
| Week of May 5, 2008 | Q #317 | A #317 | (available 5/12/2008) | |
| Week of April 28, 2008 | Q #316 | A #316 | (available 5/5/2008) | Demonstration L1-11: INVERSE SQUARE LAW - LIGHT BULB AND RADIOMETER |
| Week of April 21, 2008 | Q #315 | A #315 | (available 4/28/2008) | Demonstration F3-21: SURFACE TENSION - ALCOHOL AND WATER IN SAND |
| Week of April 14, 2008 | Q #314 | A #314 | (available 4/21/2008) | Demonstration I2-24: THERMAL CONDUCTIVITY IN WATER |
| Week of April 7, 2008 | Q #313 | A #313 | (available 4/14/2008) | |
| Week of March 31, 2008 | Q #312 | A #312 | (available 4/7/2008) | Demonstration L6-51: OPTICAL BOARD - FRESNEL LENS |
| Week of March 24, 2008 | Q #311 | A #311 | (available 3/31/2008) | Demonstration D3-03: ROTATING CHAIR AND WEIGHTS |
| Week of March 10, 2008 | Q #310 | A #310 | (available 3/24/2008) | |
| Week of March 3, 2008 | Q #309 | A #309 | (available 3/10/2008) | Demonstration D2-21: CENTER OF PERCUSSION - BAT AND MALLET |
| Week of February 25, 2008 | Q #308 | A #308 | (available 3/3/2008) | Demonstration D3-03: ROTATING CHAIR AND WEIGHTS |
| Week of February 18, 2008 | Q #307 | A #307 | (available 2/25/2008) | Demonstration L6-54: OPTICALLY PROGRAMMED TRAFFIC SIGNAL - MODEL |
| Week of February 11, 2008 | Q #306 | A #306 | (available 2/18/2008) | |
| Week of February 4, 2008 | Q #305 | A #305 | (available 2/11/2008) | Demonstration F4-33: PYTHAGOREAN CUP |
| Week of January 28, 2008 | Q #304 | A #304 | (available 2/4/2008) | Demonstration L7-41: REAL IMAGE - MIRROR AND LENS |
| Week of January 21, 2008 | Q #303 | A #303 | (available 1/28/2008) | Demonstration H3-12: ROARING TUBE - 4 FT |
| Week of January 14, 2008 | Q #302 | A #302 | (available 1/21/2008) | Demonstration L1-24: PINHOLE TV CAMERA |
| Week of January 7, 2008 | Q #301 | A #301 | (available 1/14/2008) | Demonstration H3-62: TEACUP STANDING WAVES |