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Competency Goals:: 3: The learner will conduct investigations and utilize appropriate technologies and information systems to build an understanding of the hydrosphere.
Objectives:
3.01: Analyze the unique properties of water including:
Universal solvent.
Cohesion and adhesion.
Polarity.
Density and buoyancy.
Specific heat. 3.02: Explain the structure of the hydrosphere including:
Water distribution on earth.
Local river basin.
Local water availability. 3.03: Evaluate evidence that Earth's oceans are a reservoir of nutrients, minerals, dissolved gases, and life forms:
Estuaries.
Marine ecosystems.
Upwelling.
Behavior of gases in the marine environment.
Value and sustainability of marine resources.
Deep ocean technology and understandings gained. 3.04: Describe how terrestrial and aquatic food webs are interconnected. 3.05: Analyze hydrospheric data over time to predict the health of a water system including:
Temperature.
Dissolved oxygen.
pH.
Nitrates.
Turbidity.
Bio-indicators. 3.06: Evaluate technologies and information systems used to monitor the hydrosphere. 3.07: Describe how humans affect the quality of water:
Point and non-point sources of water pollution in North Carolina.
Possible effects of excess nutrients in North Carolina waters.
Economic trade-offs.
Local water issues. 3.08: Recognize that the good health of environments and organisms requires:
Monitoring of the hydrosphere.
Water quality standards.
Methods of water treatment.
Maintaining safe water quality.
Stewardship.
Universal solvent.
Cohesion and adhesion.
Polarity.
Density and buoyancy.
Specific heat. 3.02: Explain the structure of the hydrosphere including:
Water distribution on earth.
Local river basin.
Local water availability. 3.03: Evaluate evidence that Earth's oceans are a reservoir of nutrients, minerals, dissolved gases, and life forms:
Estuaries.
Marine ecosystems.
Upwelling.
Behavior of gases in the marine environment.
Value and sustainability of marine resources.
Deep ocean technology and understandings gained. 3.04: Describe how terrestrial and aquatic food webs are interconnected. 3.05: Analyze hydrospheric data over time to predict the health of a water system including:
Temperature.
Dissolved oxygen.
pH.
Nitrates.
Turbidity.
Bio-indicators. 3.06: Evaluate technologies and information systems used to monitor the hydrosphere. 3.07: Describe how humans affect the quality of water:
Point and non-point sources of water pollution in North Carolina.
Possible effects of excess nutrients in North Carolina waters.
Economic trade-offs.
Local water issues. 3.08: Recognize that the good health of environments and organisms requires:
Monitoring of the hydrosphere.
Water quality standards.
Methods of water treatment.
Maintaining safe water quality.
Stewardship.