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Antoine Laurent Lavoisier discovers oxygen
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Amadeo Avagadro discoveres that atoms combine into molecules
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Fredic Voler finds out organic substances can be made from inorganic substances
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Fossils of five differnt dinosaurs duscovered, introducing scientists to them world wide
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August Kekule invents the Chemical Structurem a way to demonstrate hom atoms and molecules worked
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Scientists give name to the creature whos teeth were found inin fossil form
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Megalosaurous name given to creature whos bones were found
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J. J. Thomson, John S. Townsend and H. A. Wilson do experiments to prove the existance of electrons
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Richard Uldum discoveres the inner core of the earth
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Alfred Vegner find fossils of the same animals on different parts of the world
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Inga layman discoveres the innermost core of the earth by comparing seimagraoh readings
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Stanley Miller discoveres potential for the start of life millions of year ago
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Walter Alvarez discovers iridium in clay, and notices that it blankets the entire earth. This led to the discovery of the asteroid that wiped out the dinosaurs
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Geologists detect seismic activity beneath Mt. Stain Helens
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Mt. Saint Helens errupta