| 1 | 1 | 2 | Science | oceanic pH | 53 | 15 | | | 4 | |
| 1 | 1 | 6 | Science - Math | sets | 33 | -5 | | | | |
| 1 | 1 | 7 | Science | Sir William Thomson, 1st Baron Kelvin | 88 | 10 | | | 19 | |
| 1 | 1 | 12 | History | Christopher Columbus discovering the New World | 28 | 15 | | ✓ | 2 | |
| 1 | 1 | 13 | Science | transfer RNA | 47 | 15 | | | 6 | |
| 1 | 1 | 18 | Science | critical | 99 | 10 | | | 18 | ✓ |
| 2 | 2 | 10 | Science | uranium | 32 | 15 | | ✓ | 2 | |
| 2 | 2 | 11 | Science | conservation of angular momentum | 38 | -5 | | | | |
| 2 | 2 | 18 | Science | H+ ions | 49 | -5 | | | | |
| 2 | 2 | 19 | Science | p-value | 66 | 10 | | | 10 | |
| 3 | 3 | 4 | Science | batteries | 82 | 10 | | | 17 | |
| 3 | 3 | 9 | Science | viscosity | 63 | 10 | | | 11 | |
| 3 | 3 | 11 | Science | asthma | 49 | 10 | | ✓ | 3 | |
| 3 | 3 | 14 | History | Draco | 82 | 10 | | | 12 | |
| 4 | 4 | 1 | History | Holy Bibles | 70 | 10 | | | 16 | |
| 4 | 4 | 4 | Science | collisions | 53 | -5 | | | | |
| 4 | 4 | 6 | Science | tidal force | 18 | 15 | | ✓ | 2 | |
| 4 | 4 | 9 | Science | David Hilbert | 34 | -5 | | | | |
| 4 | 4 | 15 | Science | frequency | 65 | 15 | | | 13 | |
| 4 | 4 | 18 | Science | genetic linkage | 108 | 10 | | | 10 | |
| 6 | 6 | 5 | Science | Ceres | 101 | 10 | | | 19 | ✓ |
| 6 | 6 | 12 | Science | polymers | 66 | 10 | | | 15 | |
| 6 | 6 | 18 | Science | the square root of two is irrational | 70 | 10 | | | 10 | |
| 6 | 6 | 20 | Science | oscillation | 24 | 15 | | ✓ | 2 | |
| 7 | 7 | 1 | Science | hydrogen peroxide | 79 | 10 | | | 11 | |
| 7 | 7 | 12 | Science | Pi bonds | 19 | 15 | ✓ | ✓ | 1 | |
| 7 | 7 | 14 | Science | natural logarithm | 18 | -5 | | | | |
| 8 | 8 | 2 | Science | detecting exoplanets | 49 | 15 | | | 8 | |
| 8 | 8 | 3 | Philosophy | Epicurus | 96 | -5 | | | | |
| 8 | 8 | 7 | Science | sine | 89 | 10 | | | 16 | |
| 8 | 8 | 14 | Science | hydrophobicity | 46 | 15 | | | 8 | |
| 8 | 8 | 15 | Science | skewness | 75 | 10 | | | 11 | |
| 8 | 8 | 20 | Science | spin angular momentum | 55 | 10 | | | 5 | |