Across
- 2. the first to use the telescope
- 4. inventions include the glider, parachute, and helicopter
- 8. invented the telephone
- 11. invented the single- wire telegraph system (co-inventor of morse code)
- 12. invented radium (researched radioactivity)
- 13. discovered the laws of gravity
- 15. discovered the theory of relativity (invented Einstein's calculator)
- 17. invented the lightning rod
- 19. invented the light bulb
- 20. creator of Facebook
- 21. discovered pasteurization
Down
- 1. studied chimpanzee conservation
- 3. invented the electric battery
- 5. created the first successful airplane
- 6. created the theory of evolution
- 7. invented penicillin
- 9. discovered the laws of genetics
- 10. invented the swivel chair
- 14. developed alternating current electricity
- 16. creator of Apple
- 18. the science guy