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Democritus-442 BC- Was a Greek philosopher, who developed the atomic theory of the universe. This theory projected the current principles of the protection of energy and the indestructibility of matter.
Aristotle-384-322 BC-Aristotle provided knowledge of natural science including Physics, which gives a huge amount of information on astronomy, meteorology, plants, and animals.
Lavoisier-1777- A French chemist, who is considered the founder of modern chemistry. He explained the concept of an element as a simple substance that could not be broken down by any acknowledged technique of chemical analysis, and he developed a theory of the formation of chemical compounds from elements.
John Dalton-1803-A British chemist and physicist, who contributed to science his theory that matter is composed of atoms of different weights and join in simple shares by weight.
Crookes-1870's- He constructed this ancestor of the modern television image tube to investigate the properties of cath (more)
| Added: | Mar 2, 2008 | Modified: | Mar 3, 2008 10:44 |
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| Category: | science-tech | ||
| Tags: | atom timeline, scientists | ||
| Related Links: | http://google.com | ||
Discussion (10)
banana[guest]
(Nov 19, 2008)
![]() | Helped a bit, tinny bit confusing! |
raffjin[guest]
(Nov 17, 2008)
![]() | thank u for the brief xplenation... it thus really helps me... <br>jmmmm but, actually thats not rlly wat i am tryng to see for.. |
Carla[guest]
(Nov 17, 2008)
![]() | no help to me |
Maria[guest]
(Nov 13, 2008)
![]() | very good explanatios...it helped me passed my test...igot an A-!...thank you! |
jheng[guest]
(Nov 6, 2008)
![]() | nanananana |
Post to discussion:
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