Oxygen "screaming gummy bear". Oxygen 21% of the Earth's atmosphere is oxygen.

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Presentation transcript:

Oxygen "screaming gummy bear"

Oxygen 21% of the Earth's atmosphere is oxygen

Oxygen Fast Reactions: Combustion: a rapid chemical reaction between oxygen and a fuel

Oxygen Fast Reactions Combustion: a rapid chemical reaction between oxygen and a fuel e.g. wood gasoline

Oxygen Slow Reactions Cell Respiration: reaction of oxygen with glucose in our cells

Oxygen Slow Reactions Cell Respiration: reaction of oxygen with glucose in our cells -provides all the energy to maintain life

Oxygen Slow Reactions Cell Respiration: reaction of oxygen with glucose in our cells -provides all the energy to maintain life -heat released maintains body temperature at 37 o C

Oxygen Slow Reactions Rusting: a slow chemical change of iron reacting with oxygen and water