Across
- 3. Negatively charged particle
- 4. Space containing little matter
- 5. Pressure contributed by one gas
- 6. Gaseous form of a substance
- 8. Charged particle
- 9. Formation of charged particles
- 11. Electrical plasma discharge
- 13. Positive ion
- 14. Natural light caused by plasma
Down
- 1. Ability to reduce volume
- 2. Device containing plasma
- 5. Ionized gas containing charged particles
- 7. Vessel holding a gas
- 10. Negative ion
- 12. Force exerted by gas particles