| Answer | Crossword Clue |
|---|---|
| STRINGTHEORY | Particle physics concept |
| MASS | Physics concept |
| INERTIA | Physics concept |
| BINDINGENERGY | Concept in physics |
| BOYLESLAW | Basic concept in physics. |
| FIFTHDIMENSION | Hypothetical concept in physics |
| STRINGTHEORY | Hard-to-understand physics concept |
