Across
- 3. Absence of air particles
- 4. Experimented with electrical plates and cathode ray tube (last name)
- 6. Less common form of x-ray production
- 9. Experimented with magnetic plates and cathode ray tube (last name)
- 11. Conducted the gold foil experiment (last name)
- 12. Electromagnetic radiation discovered by Roentgen
Down
- 1. Negatively charged electrode
- 2. Roentgen's wife
- 5. First subatomic particle
- 7. Positively charged electrode
- 8. Re-did experiments with electrical plates and cathode ray tube (last name)
- 10. More common form of x-ray production
