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Fieldwork activity: Water quality

Visit a local waterway near your school. Measure water temperature, acidity/alkalinity, and phosphates in samples from several different locations.

You will need:
·       Thermometer
·       pH test kit
·       Phosphate test kit
·       Lead pencil
·       Blank paper

Create a table in your exercise book similar to the one below:


Location and brief description
Temperature
Acidity/Alkalinity
Phosphates

Using the pH test kit:

To determine the acidity or alkalinity place a testing strip into the water sample. The strip will change colour. Compare the strip to the colour chart to determine the pH (exact testing procedure may vary slightly depending on the type of kit you use – follow the instructions on your kit).

Using the Phosphates test kit:

Add about 6 drops of the testing solution bottle 1 to about 5ml your water sample. Shake vigorously. Add 6 drops of testing solution bottle 2 and shake again. Wait about 3 minutes and the water will change colour. Compare the colour of the sample to the chart to determine phosphate levels. Phosphate is measured in parts per million (ppm), (exact testing procedure may vary slightly depending on the type of kit you use – follow the instructions on your kit).

Analysis: Try to determine the human activities which would impact on water quality in your area. How would these activities influence temperature, pH and phosphate levels?

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  • Preliminary Geography
  • Biophysical Interactions
    • The biophysical environment >
      • Internet research
      • Group research
      • What is sustainable development?
      • Sustainable development group work
    • Atmosphere >
      • Extended response
      • Microclimate fieldwork
      • Atmosphere glossary
    • Hydrosphere >
      • Water Quality Fieldwork
      • Hydrosphere Essay
      • Orographic rainfall
    • Biosphere >
      • Fieldsketch
      • Biosphere Essay
      • Biosphere Poster
      • Biosphere - Precis map
      • Fieldwork - Vegetation Profile
    • Lithosphere >
      • Lithosphere essay
      • Fieldwork - soil characteristics
      • Lithosphere group work
    • Interactions - the four spheres
    • Issue - River regulation in the Mekong >
      • Interactions >
        • Rivers - Key terms
        • Fluvial Landform Features
      • Sensitivity to change
      • Effective management
      • River fieldwork
      • Mekong PBL
    • Revision
    • Life Skills
  • Global Challenges
    • Population >
      • Nature, Rate, Distribution
      • Fertility
      • Mortality >
        • COVID-19
      • Population Pyramids
      • Population Movements
      • Refugees
      • Environmental, economic and social issues
      • Extended response
    • Natural Hazards - Bushfire (new syllabus)
    • Natural Hazards - Flood (new syllabus)
    • Natural Resources
    • Cultural Integration
    • Excursion - Cabramatta
  • SGP
  • Skills
  • HSIE Teachers Home