Across
- 6. an Italian inventor known for his pioneering work on long-distance radio transmission
- 7. he invented the morse code
- 9. father of observational astronomy and the father of modern physics
- 10. an American inventor known for invention of first practical incandescent light bulb
Down
- 1. a Polish and naturalized-French physicist who conducted pioneering research on radioactivity
- 2. a Swedish inventor, his most famous invention being dynamite
- 3. he invented a method for determining the volume of an object with an irregular shape
- 4. he developed the theory of relativity
- 5. a Scottish inventor who improved on Thomas Newcomen's steam engine in 1776
- 8. he formulated the laws of motion and universal gravitation