Across
- 3. Who invented the phonograph in 1877?
- 5. An invention created in 1268 used by 7 people in the class
- 6. What did J Robert Oppenheimer create during the second World war?
- 8. Something invented by Karl Benz
- 9. What was the last name of Alexander Graham bell assistant
- 10. Something discovered by Benjamin Franklin
- 11. Who invented the computer in 1936?
- 12. The person who invented the clock
Down
- 1. Who had the idea of the televison when he was 14 years old?
- 2. An invention that you use about twice a day created in the 1850's
- 4. Who invented the microwave?
- 7. An useful object created in 1876