| Needle opening |
| Opening |
| A long time ___ in a galaxy far, far away ..." ("Star Wars" opening words) |
| Dramatic opening? |
| Long, narrow opening |
| A hillside near ____ farm" (opening "Peer Gynt" scene) |
| AP physics subject? |
| Prefix for physics or turf |
| Guitar opening |
| Aircraft opening? |
| Cellular opening? |
| Chamber opening? |
| Opening sound? |
| A recent opening? |
| Put through small openings, as potatoes |
| Deck opening |
| Adjusted opening? |
| Teacher's opening remark to the class. |
| Age opening? |
| High opening? |
| A locale for a physics course |
| 1933 Physics Nobelist Schrödinger |
| Particle displacement symbols, in physics |
| Niels of physics fame |
| Physics particle with no strong force |
| Slight opening? |
| Dextrous opening? |
| Bell opening? (and this puzzle's theme spelled out) |
| Lock opening? |
| Physical opening? |