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Key dates in science

c. 4240 BCThe Egyptian calendar was introduced, making this the first year in which events could be dated precisely.

c. 4000 BCThe alloy bronze was first made in Mesopotamia.

c. 3500 BCThe first wheels were made out of sections of tree trunks ( ).

c. 3000 BCTheBabylonians divided the day into 24 hours. They also invented the abacus, the first adding machine.

c. 1600 BCThe first records were made of the study of astronomy.

c. 1500 BCIron smelting () was fist developed in Asia Minor (Turkey).

LESSON 2

 

Grammar.

Text 2A.Science and Technological Progress in Modern Society

Text 2B.Massachusets Institute of Technology

Topic.I am a Student


:

  1. History of language as a science.
  2. Key dates in science
  3. Key dates in science
  4. Key dates in science
  5. Key dates in science
  6. Key dates in science
  7. Key dates in science
  8. Key dates in science
  9. Key dates in science
  10. Key dates in science
  11. Key dates in science




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