1. Rodger BACON invented the gunpowder in 1298. VOCABULARY (to)Invent:İcat etmek Invented-V2-V3 (to)Discover:Keşfetmek Discovered-V2-V3 GUNPOWDER

2. THE CONTINENT OF AMERICA Christopher COLOMBUS discovered America in 1492.

3. Johann GUTENBURG invented the printing press invented the printing press in 1450. in 1450. VOCABULARY Printing press:Matbaa PRINTING PRESS

4. Thomas SAVERY invented the first steam engine in 1698. the first steam engine in 1698. VOCABULARY Steam:Buhar Engine:Motor STEAM ENGINE

5. TELEGRAPH Claude CHAPPE invented the telegraph in 1763.

6. SMALLPOX VACCINE VOCABULARY Smallpox:Su çiçeği Vaccine:Aşı Edward JENNIR invented the smallpox vaccine in 1796.

7. STETHOSCOPE Rene LAENNEC invented the stethoscope.

8. SEWING MACHINE Barthélemy THIMMONIER invented the sewing machine in 1830.

9. LIFT(ELEVATOR) Elisha Graves OTIS invented the first lift in 1852.

10. TYPEWRITER Christopher Latham SHOLES invented the typewriter in 1867.

11. DYNAMITE Alfred Bernhard NOBEL invented the dynamite in 1865.

12. TELEPHONE Alexander Graham BELL invented the telephone in 1876.

13. LIGHT BULB Joseph William SWAN invented the light bulb. invented the light bulb. VOCABULARY Light bulb:Ampül

14. VOCABULARY Rabies:Kuduz RABIES VACCINE Louis PASTEUR invented the rabies vaccine.

15. GRAMOPHONE Emile BERLINER invented the gramophone in 1887.

16. X-RAY MACHINE Wilhelm Conrad Rontgen invented the X-ray in 1895.

17. WASHING MACHINE A.John FISHER invented the washing machine in 1906.

18. ROBOT Elmer Ambrose SPERRY invented the first robot in 1913.

19. SONAR Pierre LANGEVIN invented the sonar in 1918.

20. FAX MACHINE Arthur KORN invented the first fax machine in 1922.

21. ATOMIC BOMB J. Robert Oppenheimer developed the first atomic bomb in 1945. VOCABULARY (to)Develop:Geliştirmek Developed-V2-V3

22. NUCLEAR POWER PLANT First nuclear power plant produced electricity in 1954. VOCABULARY (to)Produce:Üretmek Produced-V2-V3