The basics of Water

Title: Water Quality

Author: Cota

Subject: Water Science

Grade: 6

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Learning objectives:

 The Hydrologic Cycle

What is water quality?

What are water pollutants?

When are pollutants levels dangerous?

How can water pollution be prevented?

Why is regualr testing of pollutants important?

Key Questions, Concepts, or Themes:

 Aquifer                        Infiltration

Artesian water               non-point source

Chemical oxidation        pH

Condensation               Point source

Disinfection                  Precipitation

Distillation                  Reverse osmosis

Estuary                        River

Evaportation                Stream

Flow                           Surface Water

Groundwater                Transpiration

Water shed

Water table 

Stage 1: Hydrolic cycle: Nature recycles the earth's water supply through a process known as the hydrologic cycle, also know as the water cycle. The cycle operates continuesly and recieves energy from the sun. Water is collected, purified and distributed throughout air, land, water and livin things.

Major componets: evaporation, transpiration, condensation, percipitation, infiltration (PPP presentation) 

Stage 2:  Water Quality: Is a measure of water's suitability to be used for a specific purpose, such as swimming, famring or power generation. It is the statement of the physical, biological, and chemical charactertics of water. st the Quality varies from place to place, or time and even climate conditions. It can be adversely impacted by both nature and man. We can the water parameters using the following: Physical characteristics such as pH, conductivity, hardness or temperature, levels of nutrients in water, and dissolved oxygen and C02.

Water Pollutants: These can be natural or man-made, and come from point or non-point sources. A pollutant is not necessarily a discrete thing; sometimes it may be essential for the quality of water to sustenance of aquatic animals and plant life. When pollutant levels are dangerous they can have a profound effect on the public health, human food sources and plant and animal communities.  

Stage 3:

  Testing water: Regular monitoring of bodies of water can help provide data to determine if an undersirable change is taking place.

Homework: No homework in this class?

Assessments: (attach/link copies)

__ Group assessment

__ Observation of process/student work

__ Self-assessment by student

__ Teacher generated assignment

__ Written project

__ Test/Quiz

__ Other: ____________________________________