Laky FIESA

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Laky FIESA

• 10.10.2006

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Data

• Observation ecosistem FIESA LAKE
• Researchers Amanda, Sonja, Antriana, Ana
• Weather sunny
• Observation time 9.30 11.30

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Temperatures
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pH, smell, turbidity

• pH 7
• No smell
• Virtuality about 50 cm

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Oxygen

• Termination
• Fill the glass with water from the lake
• Put in 5 drops of reagent 1 and reagent 2
• Shake it
• After 1 minute add 10 drops of reagent 3 and do
  not let the precipitate out
• Shake it
• Wait untill the precipitaton dissapeare
• Put it in the glass and add 1 drop of reagent 4
• Than we tetrate it with reagent 5

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Animals
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Plants
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Conclusion

• And they lived happily ever after