| Minute particle |
| Positively charged particle |
| Alternative energy options |
| Electrically charged particle |
| U.S.'s most abundant energy source |
| Accelerator particles |
| Abundant source of energy |
| Abrasive particles |
| + and - particles |
| Chicago-area institution home to the world's most powerful particle accelerator |
| Particle of dust |
| Dust particle |
| Ammonium particles, e.g. |
| Accelerator particle |
| Alpha particle's emission |
| Smallish energy source |
| Dislodge particles |
| Absorbed-energy measurements |
| Particle displacement symbols, in physics |
| X-Men" hero who can emit energy beams from his eyes |
| Physics particle with no strong force |
| Dislodge some particles |
| Alpha particle emitter |
| Berry in energy drinks |
| Count of electronically charged particles? |
| Gizmo often with five balls that demonstrates conservation of momentum and energy |
| Coarse particles |
| Air particles |
| Unstable particles |
| Energy meas. |