2. TIME LINE OF TECHNOLOGY Early people used… STONES, BONES & WOOD …to make everything they needed.

3. During the Stone Age people lived… NOMADIC lives. They HUNTED ANIMALS and … GATHERED PLANTS for food.

4. About 10,000 years ago people learned how to… PLOW was developed. 4000 years later the first… GROW THEIR OWN FOOD. 8000 B.C. - mid 1700’s

5. 3000 B.C. to about 1200 B.C. Mixture of two or more metals…

6. It replaced bronze because it could be used to make… STRONGER, LONGER-LASTING tools. It started around 1200 B.C.

7. 200 B.C.

8. MOVABLE TYPE

9. Before the printing press, books were copied…. BY HAND.

10. 1609

11. Ben Franklin1752

12. The water wheel was a source of energy for… GRINDING MILLS & LUMBER MILLS.

13. The Industrial Era Late _____ - mid 1900’s 1700’s

14. During the Industrial Revolution, human & animal muscle power was replaced by… MACHINES.

15. STEAM During the Industrial Revolution, many machines were powered by…

16. James Watt 1769 Steam Engine

17. WOOD COAL

18. 1793 – Cotton Gin Eli Whitney

19. ROBERT FULTON

20. THOMAS EDISON 1879

21. WRIGHT BROTHERS 1903 ORVILLE & WILBUR

22. HENRY FORD ASSEMBLY LINE INTERCHANGABLE PARTS

23. 1 ST LIQUID- FUELED ROCKET

24. 1943 FIRST NUCLEAR REACTOR

25. ENIAC - 1944 developed by US ARMY During… W W II

26. 1957 First artificial satellite… SPUTNIK Start of the “Space Race”

27. First human to walk on the moon… 1969 Neil Armstrong

28. Creation of materials, devices, and systems using individual atoms & molecules… NANOTECHNOLOGY

29. Rate of technological change… INCREASING!

30. TECHNOLOGICAL CHANGES To be continued…