Here are some significant events, in chronological order
Here are some significant events, in chronological order. First, try to estimate the dates of items 5, 10, 13, 18, and 21. We are just asking for you to state when you think these events happened. Then, go to science/timeline.htm and fill the dates in on the timeline for all the events listed here.
1. First record of magnetic attraction. 2000 B.C.
2. First record of electrical attraction. 700 B.C.
3. Pythagorean Theorem. 530 B.C.
4. Leucippus and Democritus propose atoms. 370 B.C.
5. Aristotle Teaches. 335 B.C.
6. Ptolemy’s theory of planetary motion. 150 A.D.
7. Library at Alexandria burned. 415 A.D.
8. Rockets in China 1232
9. Gutenberg Bible 1455
10. Leonardo da Vinci 1510
11. Copernicus 1543
12. Tyco Brahe 1570
13. Galileo and his telescope 1609
14. Galileo in Rome 1616
15. Snell’s law of refraction 1621
16. Galileo denounced 1633
17. Pascal’s laws of pressure 1652
18. Newton’s Principia 1687
19. Newton’s Opticks 1704
20. Lavoisier and elements 1777
21. Volta creates the first battery 1800
22. Changing electric field creates magnetic field (Ampere) 1800
23. Magnetic field surrounds current (Oersted) 1820
24. Changing magnetic field makes electric field (Faraday and Henry) 1831
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