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Transcript of Oxygen Prezi
History of Oxygen
discovered in 1774 by Joseph Priestley
Antoine Lavoisier discovered that air contains 20% and when any substance burns, it combines chemically with oxygen
Lavoisier named oxygen from Greek words:
normal state of matter
oxygen helps the metabolism in your body
2nd most electronegative atom in periodic table, next to fluorine
important part of photosynthesis and respiration
there's a theory that is before plants, animals, and humans, there was no oxygen. Reasons of this theory is because a substance that only exists with the absence of oxygen was present and disappeared when oxygen was present
oxygen is a very reactive element
Importance of Oxygen
oxygen not only allows us to breathe, it also destroys harmful bacterias in our bodies, helps the brain do its job, and many other things
we would not have food without oxygen
Why you need to buy oxygen
you need to breathe
you need food to survive
oxygen is the #1 life supporter
it helps you keep memories, heal, think, have emotions, and concentrate only by having oxygen in your brain!
you would die without oxygen and i dont want you to die