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

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Presentation on theme: "Oxygen "screaming gummy bear". Oxygen 21% of the Earth's atmosphere is oxygen."— Presentation transcript:

1 Oxygen "screaming gummy bear"

2 Oxygen 21% of the Earth's atmosphere is oxygen

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

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

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

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

7 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

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

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