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A story of waterBy Victoria Ng
This is the story of a H2O molecule, my story. Here it is.
H
O
H
Up we go! The sun's rays heat the water and turn it into a gas (water vapour) in a process called evaporation.
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I might also fall back up in an above ground body of water, in which case the cycle restarts.
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When the clouds become too heavy with hydro molecules, gravity pulls droplets of water, making them fall to earth. This is called precipitation.
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O
If the air is cold, the water molecules will freeze and instead of rain, snow will fall.
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Maybe I would fall through soil and rock to get to a groundwater reservoir in a process called infiltration. I could stay in this reservoir for a really long time before rejoining the water cycle.
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Or I might be absorbed into the soil and then by a producer, who will use me for photosynthesis, a process in which a plant makes food for itself. Then, the producer will release the any water particles that it did not use for photosynthesis back in to the air as water vapour . This water vapour goes back into the water cycle. This process is called transpiration.
CO2
Sunlight
H20
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H
02
C6H12O6
Now we are cooling down, becoming liquid and joining with other hydro molecules in a process called condensation.
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The End

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