jan 1, 335 BC - Aristotle's Atomic Theory In 335 BC, Aristotle created an atomic theory stating that there were only 5 elements of matter. The air was light, the earth was cool and heavy, water is wet, fire which is hot and aether, which was what he thought stars and planets were made of. A fact about him was that he taught Alexander the Great.
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jan 1, 335 BC
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~ 2362 years ago