HSIE Teachers - Preliminary Geography
  • 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
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Hydrosphere

The hydrosphere is water in all its forms: rain, ice, sleet, vapour, etc, and many associated weather phenomena. It includes the water cycle and all of the processes involved in it.

Precipitation: when water droplets or ice crystals become too heavy to be suspended in the air they fall to earth as rain, snow, sleet or hail.

Infiltration: water that reaches the earth’s surface and is able to be absorbed into the ground, flows downward and collects above an impermeable layer or rock.

Runoff: water that reaches the earth’s surface and is unable to be absorbed into the ground, flows over its surface and collects in nearby waterways or reaches stormwater drains.

Evaporation: when water contained in water bodies is heated by the Sun and the liquid changes into a gaseous state and rises into the atmosphere.

Transpiration: when water contained in plants is heated and changes from a liquid into a gaseous state and rises into the atmosphere.

Condensation: when water in the atmosphere cools and changes from a gaseous state into a liquid state. This occurs when the water vapour clusters around a solid particle (such as dust).

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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